Before you Build | Getting Started

Planning to build with reclaimed wood but still need more information?
Here are 5 steps from choosing wood to production

 
  • TO RECLAIM OR NOT?

Get clear on whether you want to use reclaimed timber or just timber.

Reclaimed wood isn't as convenient to buy as warped wood, but then again nothing matches reclaimed wood's uniqueness and character. Being reclaimed, our wood is a unique product full of character and "imperfections" that adds to the flavour and richness of any building. Each installation holds a history, and being a natural product, will vary in grain, texture and coloring. Our wood is salvaged from misused structures, so expect it to contain bolt holes, seasoning checks, patina and natural erosion which enhances the natural beauty of the wood.

If you are looking for a uniform product devoid of unique characteristics, you are probably not looking for reclaimed timber. Likewise, if budget is you highest priority this also isn't for you as reclaimed timber is generally more expensive.

However, if you want to build a structure that will last and will not need to be replaced for many years due to rot or termites, then Kaltimber's reclaimed woods can save you money in the long term.

Think of it as an investment!

Now that you have decided to use reclaimed wood, let’s have a look at the products themselves.

  • PRODUCT DESCRIPTIONS & SPECIFICATIONS

Decide on specific products and what do you need them for.

Do you want to build your whole house out of reclaimed timber? Do you just want certain elements such as the floor, deck, posts?

Feel free to visit our products section from the main navigation to get a better idea of what standard products we carry and contact us for any additional questions.

Get a bill of materials from your architect/contractor which outlines the dimensions and specifications for each product you require and send us an e-mail.

Now that you have a clear idea of what you are looking for and an approximate quantities and dimensions it’s time to meet!

  • INITIAL CONSULTATION

Come and meet with us for an initial consultation along with your project team. In this meeting we will discuss the look and feel your project is aiming for, the timing, as well as the specifics of each product, including timber qualities, application, finish, dimensions and quantities.

We will try to match our product to your specifications to reduce waste in-line with your engineer's structural specifications.

This meeting will take place at Kaltimber's office/showroom, where standard samples are available to view or for purchase.

Now that you have provided us with specifications we can prepare your quote.

  • QUOTE

Kaltimber quote will be based on the specifications you provided, according to what was discussed as well as what we have in stock.

This quote includes: dimensions, specifications, finishing, payment terms and other policies and the price.

Now that everything is clear on your quote, it is time to produce!

  • PRODUCTION

Once we receive the signed invoice with a 60% deposit, we will begin to process your order according to factory schedule. We only keep a limited quantity of ready to use stock on our shelves. Most of our products are made to order and require some degree of processing. Production times are dependent on each order and will be discussed at the quote stage.

All the production is made in house as we own all the machinery needed. We do not use third party therefor control all the production and can ensure consistent quality.

Rustic natural top face decking reclaimed from a building in East Kalimantan

 

Top 10 questions to ask

when buying wood flooring

  1. Which type of wood floor is right for me, solid or engineered?

That depends on where you want to install it. Both solid and engineered wood floors are made using real wood, so both are environmentally friendly. 

Solid wood flooring is exactly what the name implies: a solid piece of wood from top to bottom. The thickness of solid wood flooring can vary, but generally ranges from 1.8cm to 2.2cm. Solid wood can be used in any room that is above grade (above ground). One of the many benefits of solid wood flooring is that it can be sanded and refinished many times.  Solid wood floors are ideal in family/living rooms, dining rooms, bedrooms, and even kitchens and powder rooms. About the only place you can’t use solid wood flooring is in the basement, but there’s a solution for that area too. 

Engineered wood floors are real wood floors that are manufactured using multiple layers of wood veneers.  The layers that you can’t see can be of the same species, or of different species. The grain of each layer runs in perpendicular directions, which makes it very dimensionally stable. This means that the wood will expand and contract less than solid wood flooring during fluctuations in humidity and temperature.

Engineered floors can be nailed or stapled to a wood subfloor, or glued down to a wood or concrete subfloor. This makes engineered wood floors ideal for slab and basement installations, but they can be used in any room above, on or below grade. While this type of flooring can be sanded and refinished, it cannot be done as many times as solid wood flooring.

 

2. Which wood species is right for me?

Choosing the right species of wood flooring for you is strictly a matter of your style, budget and personal preference.

Do you like light woods like teak? These species generally make a room appear more open and airy.

Do you like medium woods like bangkirai? These species generally make a room appear more warm and cozy.

Do you like darker woods like ulin? These species generally make a room appear more stately and refined.

Finishing can offer even more color options.

Once you decide on a look, you should consider how your floors will be used. Are you a retired couple living alone, or a busy family with young children and pets? Each wood species is rated for its hardness and durability using something called a Janka scale (the Janka scale gives a good indication of how likely a wood is to dent or show other wear).

 

3. Is a factory-finished floor or a site-finished floor better for me?

Each method has its own benefits and advantages, and choosing the right method will depend on the level of customization you want to achieve, and your personal preference.  

A job-site finish is one that applied on the job site, in the room where the flooring is being installed. With a job-site finished floor, you can choose the type of finish to be applied to your floor, which will impact maintenance, as well as the stain, if any, and sheen of the final product. In other words, a job-site finished wood floor offers you unlimited possibilities for customizing the final appearance of your floor.

However, because your floors will be sanded and finished in your home, you should expect noise, dust, and some disruption to your home. In the past few years, many dust containment systems have been developed to help control dust and debris, so be sure to ask your contractor if one can be used for your installation. You also will need to allow time for the finish to dry on-site, during which time you will not be able to walk on your floor.  

With factory-finished wood floors, the finish is applied at the factory, long before it reaches your home. While many options are available with factory finished floors, you will not be able to achieve the same level of customization as you can with job-site finished wood floors.

A major benefit of factory finished floors, however, is that there is minimal dust and noise during the installation process. You also will be able to walk on your floors immediately after they are installed.

 

4. My room is 40 square meters, but we’re being told to order 44 square meters of flooring.  Is this really necessary?

Yes. As a general rule, you should plan to order 10% more flooring than is needed for the installation.  Much of the material will be cut to fit the exact space, and once the boards are cut, they likely cannot be used elsewhere in the room because the end tongue or groove will have been removed. Once that happens, that board can no longer adjoin with another board, so there is some waste involved.  

You may need to order slightly more or less depending on the room. For example, if you need to work around stairs, a bay window, a fireplace, and a closet, you may need to have more than 10%, but if the room is square with no interruptions, less than 10% may work. Your contractor is your best resource for helping you estimate the material that will be needed to complete the job.

Feel free to contact us to get in touch with a professional installer.

5. I’ve seen different finish sheens on wood floors; some are shiny and some are not.  Which is better?

It really is a matter of preference. If you choose to install a site-finished floor, you can choose any sheen that you like. Gloss finishes offer the most shine, and will reflect the most light. Semi-gloss finishes offer some shine, and will reflect some light. Satin or matte finishes offer the least shine, and will reflect the least light.

Generally speaking, the less sheen, the less you will notice small scratches and other wear that is normal with wood floors. If you choose to install a factory-finished floor, you will be limited to the sheen available for the material you select. All sheens will offer the same protection for your floor, so it truly is a matter of which look you like best.

 

   6. I’m concerned about pets scratching my floors.  Is there anything I can do to prevent this?

There are several things you can do to minimize scratches from pets on your wood floors. Place scatter rugs at all doors to minimize the amount of dirt and grit being tracked in, especially if your pet likes to dig. Your best defense, however, is to trim your pet’s nails regularly. If scratches occur, as they might whether pets live in the home or not, keep in mind that the scratches most likely will be in the finish only, and not in the wood. If this situation occurs, consult with a professional wood flooring contractor for specific recommendations about how to repair the scratches, and minimize them in the future.

Feel free to contact us for any further questions.

 

7. How do I keep my floors looking new?

All hardwood floors should be cleaned regularly. To accomplish that, simply sweep, dust mop or vacuum the floors with the beater bar turned off to remove dirt and grit from between the floor boards.  

Avoid using a wet mop or steam mop on hardwood floors as water and steam can dull the finish, or even damage the wood over long periods of time.

Place throw rugs at all entrances, avoiding those with rubber backs, which can discolor wood floors.

Special rug mats can be purchased from a wood flooring retailer that will protect the floors from discoloration. Throw rugs will help keep outside dirt and other debris from scratching the floors. Scratches also can be prevented by placing floor protector pads on the bottoms of the legs of any furniture that comes into direct contact with the floors.  

When spills occur, be sure to clean them immediately with a dry or slightly damp cloth. Allowing spills to remain on the wood floors could damage the finish, and possibly the wood. Avoid walking on the floors with sports cleats or high heel shoes that are in disrepair. These can scratch the finish, or even dent the floor. 

Finally, when the floor begins to look a little dull, use a wood flooring cleaner recommended by your installer to renew the luster. Be sure to use the product as directed, and use only products that are compatible with your wood floor as using the wrong type of cleaning product could damage the finish, and possibly damage the wood as well.

 

8. How long after I order my floors will it take before they are installed?

That depends. Site-finished floors will take longer to install than factory-finished floors since the finish needs to be applied, and dry, on site. 

Depending on the type of finish used, you can expect that there will be multiple coats applied, and that each coat will need to be sanded before the next coat is applied, and also will need to dry thoroughly before the floor can be walked on. In addition, all wood flooring, whether job-site finished or factory-finished, will need to be delivered to the job site and allowed to acclimate for a period of time before the installation can begin. This can take several days depending on the material being used.

This is a very important part of the installation process because the wood must reach equilibrium moisture content (EMC) with the job site conditions to ensure a long-lasting, high-quality installation.

 

9. I’ve seen instances where wood floors fade over time.  Is there anything I can do to prevent this?

Wood floors are one of the few flooring options that become more beautiful with age. Like all natural things that experience change over time, wood floors will experience subtle color changes as they age. This is a natural process that will add to the beauty and character of the floor.

Different species of wood flooring will experience color changes at different rates. These changes are natural, but can be minimized with a little prevention. 

Two factors influence color changes in wood floors: sun exposure and the finish that is applied to the floor.  Over time, prolonged sun exposure will cause wood floors to change color. Think about how skin reacts when exposed to sunlight. Wood reacts in much the same way, and you can minimize this effect by periodically moving rugs and furniture to limit that exposure.

The second factor that can cause wood floors to change color over time is the finish used. Oil-modified finishes will amber over time, giving the floor a slightly yellow appearance. In contrast, water-based finishes generally will remain clear over time, minimizing long-term color changes.

 

10. Installation is so expensive.  Why can’t I just do it myself?

Installing wood floors is a lot more complicated than painting your walls or replacing the hardware on your kitchen cabinets!

First of all, you will be spending several thousand dollars on material alone, so if you damage it, it’s not as easy as buying another $30 gallon of paint or $200 of hardware and starting over again. Plus, wood flooring requires special tools that you will likely have to rent and will have little experience using.  

More importantly, however, you will need to make sure the room you’re working in is flat, that the subfloor material will work for wood flooring, and that no moisture issues are present that will damage the wood long-term. Testing for moisture requires special tools as well, and you must test both the subfloor and the flooring to ensure a successful installation.

In addition, you will need to know how to center the room, how much space should be left for expansion gaps, how to work around obstructions like closets, fireplaces, bay windows, staircases, and cabinets, and if you make cutting mistakes, you may end up running short on your material and not have enough to finish the job.

In some cases, you may not be able to exactly match the lot, much like running short of paint sometimes results in a slight color difference when mixing a new gallon.

The bottom line is that installing wood floors is not recommended as a DIY project.  In the long run, you will save money and time by using a professional.

Feel free to contact to get in touch with a professional installer.

 

Frequently Asked Questions

Comprehensive Wood Flooring & Decking FAQ

Find below some of the most often asked questions and answers. If you can't find the answer of your specific questions here please contact us either using the online form at the bottom of this page or send us an email on info@kaltimber.com, you can also give us a call in our office number at (+62) 361 975 219 or reach us by whatsapp at (+62) 878 6020 4246 from Monday to Friday 8.30-16.30h. We will gladly answer all of your questions.

Understanding the Basics

Materials & Types of Wood

Wood Floor Installation

Parquet Flooring

Deck Construction & Installation

Maintenance & Care

Sustainability

Raw boards – Square edges – Semi process - Full process

What are the differences?

 

Any unanswered question?
Please complete the form below

 

Kaltimber's Cost Estimator: Calculate Your Project Costs Easily

Welcome to Kaltimber's Cost Estimator!
Use this tool to get a quick estimate of your project costs based on the product type and quantity you need. Follow the simple steps below to calculate your costs.

How to Use Our Cost Estimator

  1. Select Product Type: Choose from our range of products such as decking, flooring or ceiling.

  2. Choose Finishing Type: Select the finishing type that is associated with a specific size (in cm) for your chosen product.

  3. Enter Quantity: Input the number of square meters you wish to order.

  4. Calculate Price: Click on the "Calculate Price" button to see the estimated cost of your order.

Example: If you need 20 square meters of decking with a smooth finish, select "Decking" as the product type, "Smooth Finish" as the finishing type, at this stage you also need to make sure you select the processing (Full or Semi) and the proper sizes displayed by order of thickness and width, enter "20" for the quantity, and click "Calculate Price."

Important Notes

  • Unavailable Variations: If the calculator shows a result of Rp.0, it indicates that the selected variation is currently unavailable.

  • More Information: For detailed information on finishing types, please visit the specific product page catalogue or see the shop page.

  • Additional Products: Other types of products, such as panelling and duckboard, are not included in the price calculator.

  • Reach Out for More Options: For additional options and customizations, please contact our sales representatives via whatsApp or email. We're here to help!

  • Indicative Pricing: Please note that the prices provided by the calculator are indicative only. Final prices may vary based on specific order details and custom requirements.

We aim to provide you with the best service and quality products. For any questions or further assistance, do not hesitate to get in touch with us.

Calculate Your Price

Total Price: Rp.0

Biji Begawan project featuring stunning Kaltimber recycled ironwood built by Global Wood Tech

Instruction Manual

See the instruction manual for comprehensive, step-by-step instructions on how to use and take care of our products. Our handbook guarantees you get the most out of your investment by guiding you through proper care and handling practices, whether you're installing new pieces or maintaining existing ones.

What will you find in our manual?

Responsibility

  1. Installer & Owner responsibilities

  2. Product quality inspection guidelines

  3. Color matching considerations

Transport & Storage

  1. Guidelines for transporting from port to destination

  2. Proper storage techniques

Job Site Conditions

  1. Acclimatization and room atmosphere recommendations

  2. Managing EMC (Equilibrium Moisture Content) levels

Installation interior

  1. Support requirements during installation

  2. Wood preparation tips

  3. Expansion space guidelines

  4. Underfloor heating considerations

Installation Exterior

  1. Support requirements for exterior installations

  2. Preparing wood for outdoor use

  3. Expansion space requirements

Finishing

  1. Choosing between oiling, varnish, lacquer, or sealant

  2. Finishing guidelines for interior applications

  3. Finishing guidelines for exterior applications

Care & Maintenance

  1. Tips for ongoing care

  2. Recommended maintenance practices

Feel free to have a look at Limited Warranty page for further information.

 

Reclaimed Ulin Ironwood From Indonesia

Reclaimed Ulin is a dense tropical hardwood recovered from existing Indonesian structures and processed for reuse. Also known as Kayu Ulin, Borneo ironwood and Kalimantan ironwood, Ulin is valued for its exceptional natural durability, density and resistance to termites and decay.

Kaltimber specializes in reclaimed Ulin decking and flooring manufactured in Bali for residential, hospitality and architectural projects in Indonesia and internationally.

Our reclaimed timber is recovered from existing Indonesian structures, individually inspected and processed through a traceable production system. Kaltimber operates under Indonesia’s SVLK timber legality system.

From private homes to resorts, hotels and distributors, Kaltimber supplies reclaimed Ulin products with a focus on legality, durability, quality and responsible sourcing.

Why Reclaimed Ulin Is Unique

Reclaimed Ulin is valued for its density, durability and distinctive aged character. Originally used in old Indonesian structures due to its exceptional resistance to humidity, termites and tropical conditions, reclaimed ironwood offers a long-lasting material solution for architectural and hospitality projects.

Traceability & Responsible Sourcing

Kaltimber operates under Indonesia’s SVLK timber legality system and supports responsible reclaimed timber sourcing through traceability and material verification processes. Every reclaimed Ulin board is individually inspected before processing and manufacturing.

Common Applications

  • Reclaimed Ulin decking

  • Reclaimed Ulin flooring

  • Pool decks

  • Outdoor terraces

  • Villas and residences

  • Resorts and hospitality projects

  • Selected architectural applications

 

Our specialty, Ulin Kalimantan!

Ulin decking smooth natural finish

Ulin decking smooth natural finish

We are specialized in reclaiming ironwood from Kalimantan. All our wood comes from legal and verified sources, and we transform it, for the most part, into decking and flooring.

More information can be found in the categories Decking and/or Flooring.

More about Ulin

Ulin is a remarkable wood. It's extremely slow growth rate at less than 0.5mm a year results in a highly dense wood ideal for exterior applications. Ulin is a rare tree native to Indonesia. It is threatened by habitat loss.

The government of Indonesia and the state government of Sarawak have formally banned the export of this species. Illegal smuggling continues to be a major problem. It grows in lowland primary and secondary forest up to 625m altitude. It is commonly found along rivers and adjacent hills. It requires an average annual rainfall of 2500–4000 mm.

This very important tree is one of the most durable and heaviest timbers in the world. Ulin trees can grow to attain over 1,000 years of age. Common commercially exploitable trees attain a height of 30 or more metres (100 ft) with trunk diameters of exploitable trees up to 92 cm (36 inches).

Trade & local names: Borneo ironwood, billion, belian, biliran, Kalimantan ironwood

Found in: Indonesia, East Malaysia, Philippines

Qualities: Growth ring boundaries indistinct or absent. Heartwood basically brown to yellow, without streaks. Sapwood colour distinct from heartwood colour. Odor has faint lemon scent. Heartwood with yellowish to greenish (olive) hues when fresh, dark brown to almost black upon exposure.

Density: 0.85–1.1 g/cm³

Durability: Class 1

Uses: Heavy engineering, ulin ironwood decking. Due to the excellent resistance to bacterial, fungal, insect and marine borer attack the wood is highly prized for many outdoor uses. Internationally, it is renowned for heavy construction such as a buffer between transportation trailers and heavy steel fabrications (such as boilers, pressure vessels, reactors and many others). It is also frequently found in dry docks as a timber to separate the hull of ships from the steel supporting stands. Can be used on exposed flooring.

Status: Listed as vulnerable by the IUCN (World Conservation Union). The species is threatened by over-exploitation, predominantly by illegal loggers. Current demand for the timber is fueled for its esteem among Chinese as a coffin wood (as it is resistant to insect and rot). Included in list of vanishing timber species of the Philippines and considered almost extinct in Sabah. In Java and Sumatra it exists solely in National Parks. Currently the situation is assessed as a serious depletion of stands.

Picture by Kaltimber taken in East Kalimantan while surveying on the Sungai Mahakam

Reclaimed Ulin Ironwood From Indonesia

Reclaimed Ulin is a dense tropical hardwood recovered from existing Indonesian structures and processed for reuse. Also known as Kayu Ulin, Borneo ironwood, Kalimantan ironwood and Belian, Ulin is valued for its exceptional natural durability, high density and resistance to termites, decay and demanding tropical conditions.

Kaltimber specializes in reclaimed Ulin decking and flooring manufactured in Bali for residential, hospitality and architectural projects in Indonesia and internationally. Our reclaimed timber is recovered from existing Indonesian structures, individually inspected and processed through a traceable production system. Kaltimber operates under Indonesia’s SVLK timber legality system, supporting documented sourcing and responsible timber processing.

From private homes and villas to resorts, hotels, architects, contractors and international buyers, Kaltimber supplies reclaimed Ulin with a focus on legality, durability, material quality and responsible reuse.

Why Reclaimed Ulin Is Unique

Reclaimed Ulin combines the natural properties of one of Southeast Asia’s most durable hardwoods with the character of timber that has already served for years in previous structures. Rather than producing a perfectly uniform material, reclaimed Ulin often preserves variations in grain, tone, texture, weathering and traces of its previous use. These differences are part of the material’s architectural character.

For Kaltimber, reclaimed Ulin is not simply old timber. It is timber that has been recovered, assessed, selected, remilled and prepared for a new use. Suitable material can be transformed into precise contemporary decking and flooring while retaining the individuality that distinguishes reclaimed timber from newly manufactured uniform products.

Traceability & Responsible Sourcing

Kaltimber operates under Indonesia’s SVLK system and processes reclaimed Ulin through a documented production workflow. Each board is inspected before processing so that its dimensions, condition and suitability can be assessed before it becomes decking, flooring or another architectural component.

Reclaimed sourcing also allows valuable existing hardwood to remain in productive use instead of being discarded after the demolition or dismantling of an older structure. Reclaimed timber should not simply be assumed to be responsibly sourced because it is old; professional sourcing, documentation, processing and traceability remain important.

Common Applications

Reclaimed Ulin is particularly suitable for decking, flooring, pool decks, terraces, villas, residences, resorts, hospitality projects and selected architectural applications. Its combination of density, natural durability and reclaimed character makes it especially relevant in projects where material performance, longevity and appearance are all important.

Kaltimber’s primary focus is reclaimed Ulin decking and flooring, while selected recovered timber can also be considered for other architectural applications when dimensions, condition and available stock are suitable.

Ulin Ironwood: The Complete Guide

What Is Ulin Wood?

Ulin is the trade and local name most commonly associated with the species Eusideroxylon zwageri, a tropical hardwood tree belonging to the Lauraceae family. The species is commonly known internationally as Borneo ironwood, while regional names include Ulin, Kayu Ulin, Belian, Bulian and Kayu Besi.

Because the word “ironwood” can refer to several unrelated dense hardwood species around the world, the scientific name Eusideroxylon zwageri is the clearest way to identify true Ulin precisely.

Kew Science records the native range of Eusideroxylon zwageri as Borneo and Sumatra within the wet tropical biome. Its strong association with Borneo explains the widespread use of names such as Borneo ironwood and Kayu Ulin Kalimantan.

Is Ulin the Same as Borneo Ironwood?

Yes. Borneo ironwood is one of the most widely used English names for Eusideroxylon zwageri. In Indonesia, Kayu Ulin is widely understood, while Belian is especially common in parts of Borneo.

For search, specification and commercial purposes, the expressions Ulin wood, Kayu Ulin, Ulin ironwood, Borneo ironwood, Kalimantan ironwood and Belian can therefore refer to the same species. The terminology varies by language and region, but the botanical identity remains Eusideroxylon zwageri.

Botanical Characteristics of the Ulin Tree

Ulin is an evergreen tropical tree capable of reaching substantial dimensions. Technical references describe mature specimens reaching approximately 40 metres in height, with long straight boles and large trunk diameters in mature forest conditions. The base can develop small rounded buttresses.

The species belongs to the Lauraceae family, the same botanical family that includes plants such as cinnamon, bay and avocado. Ulin is adapted to humid tropical forest environments and has long formed part of the ecological, material and cultural landscape of Borneo.

Where Does Ulin Grow?

The native distribution of Eusideroxylon zwageri is primarily Borneo and Sumatra. The species is associated mainly with humid lowland tropical forest environments and is particularly strongly associated with Kalimantan and other parts of Borneo.

This geographical origin explains why searches and trade terminology frequently use expressions such as Kayu Ulin Kalimantan, Borneo ironwood and Kalimantan ironwood.

Is Ulin a Slow-Growing Tree?

Yes. Ulin is widely recognised as a slow-growing tropical tree, and natural regeneration can be difficult in disturbed forest environments. Its slow growth and pressure on natural populations make responsible resource management particularly important.

For Kaltimber, this strengthens the rationale for working primarily with reclaimed Ulin. Reusing timber that has already been harvested and incorporated into previous structures extends the productive life of an existing natural resource instead of treating highly durable old timber as waste.

Ulin Wood Properties

Density

Ulin is an exceptionally dense hardwood. Technical data published by the International Tropical Timber Organization reports a basic density of approximately 0.88 g/cm³ and an air-dry density of approximately 1.02 g/cm³ at 12% moisture content.

This high density is one of the reasons behind Ulin’s reputation as an “ironwood.” It contributes to high wear resistance, substantial weight, resistance to physical impact and a solid feel when used as decking or flooring.

Density also affects manufacturing and installation. Ulin should not be machined, drilled or fastened in the same way as a lightweight softwood. Suitable machinery, tools, cutters and installation techniques are important when working with the species.

Natural Durability

Natural durability is one of Ulin’s defining characteristics. ITTO gives Ulin a Natural Durability Index of 1, representing the highest durability category in that particular classification system, and describes the heartwood as very durable.

This exceptional natural durability helps explain Ulin’s historical use in demanding exterior, structural and tropical applications. It is also one of the reasons reclaimed Ulin recovered from older structures can still contain timber suitable for further architectural use after careful inspection and remilling.

Natural durability should not, however, be confused with indestructibility. Even a highly durable hardwood performs best when drainage, ventilation, joist spacing, fastening systems, substrate preparation and other construction details are correctly designed.

Termite Resistance

Ulin possesses strong natural resistance to termites. This is particularly relevant in tropical regions, where termite exposure can be an important factor when selecting timber for flooring, decking and structural applications.

For projects in Bali and elsewhere in Indonesia, termite resistance is therefore not simply a marketing description. It is one of the established technical characteristics that have contributed to the long-standing use of Ulin in tropical construction.

Resistance to Decay and Wood-Destroying Organisms

Ulin heartwood is highly resistant to biological deterioration. Technical references describe strong resistance to wood-rotting fungi, termites and several other wood-destroying organisms.

These characteristics help explain why Ulin was historically selected for bridges, posts, exterior structures and other demanding applications. They also explain why suitable reclaimed Ulin can remain structurally useful after many years in service.

Marine Borer Resistance

Ulin has historically been used in marine and port environments because of its natural resistance to biological attack, including marine borers. Technical references record historical applications in shipbuilding, port structures and other wet environments.

This does not mean that every Ulin product should automatically be specified for every marine application. Exposure, engineering requirements, fasteners and structural design still need to be professionally evaluated. The historical record does, however, demonstrate the unusually high natural durability of Ulin heartwood.

Colour, Grain and Appearance

What Colour Is Ulin Wood?

Ulin changes considerably in appearance depending on age, processing and exposure. Fresh or newly machined heartwood can show yellow-brown, reddish-brown, olive-brown and related tones, while exposure can cause the timber to become significantly darker.

Reclaimed Ulin can therefore display substantial colour variation. A weathered exterior surface recovered from an old structure may look completely different from the freshly machined interior of the same piece of timber.

This contrast is one of the distinctive visual characteristics of reclaimed Ulin and can create considerable variation even within material produced from the same recovered source.

Grain and Texture

Ulin generally has a straight grain, although interlocked grain can occasionally occur. Its texture is generally described as fine to medium.

Different manufacturing and finishing methods reveal the grain and reclaimed character in different ways. A smooth sanded surface produces a cleaner and more refined architectural appearance, while wire-brushing and rustic finishing can expose more texture, age and visual variation.

For flooring, Kaltimber also produces an Exotic Finish in which smooth and rustic areas are deliberately combined on each individual board.

Why Does Reclaimed Ulin Look Different From New Timber?

Reclaimed wood has already lived a previous life. Exposure, previous machining, weathering, fastening marks, colour changes and years of use can all contribute to visual variation.

When Kaltimber remills reclaimed Ulin, the objective is to prepare the timber for precise modern use while retaining the natural individuality that distinguishes reclaimed material from newly manufactured uniform products.

Two boards can therefore share the same species, dimensions and finish while displaying subtle differences in grain, tone and character. For many architects, designers and homeowners, this individuality is one of the reasons for selecting reclaimed timber.

Technical Performance of Ulin

Physical and Mechanical Properties

For architects, designers and technical buyers, Ulin’s reputation is supported by measurable physical and mechanical properties rather than appearance alone.

Property Approximate Reported Value
Basic density 0.88 g/cm³
Air-dry density at 12% MC 1.02 g/cm³
Tangential shrinkage 7.7%
Radial shrinkage 4.3%
Tangential / radial ratio 1.8
Bending strength at 12% MC ≈ 162 MPa
Modulus of elasticity at 12% MC ≈ 18.2 GPa
Compression parallel to grain ≈ 80 MPa
Radial shear strength ≈ 12.7 MPa
Lateral Janka hardness ≈ 12.5 kN
Natural durability index Class 1

These figures help explain why Ulin has historically been selected for high-wear and demanding applications. They should nevertheless be understood as representative species data rather than a structural certification for every individual reclaimed board.

Reclaimed timber has its own history, which is why recovered material must still be inspected and selected according to its intended use.

Dimensional Movement and Drying

Like all natural timber, Ulin responds to changes in moisture content. Technical references report total tangential shrinkage around 7.7% and radial shrinkage around 4.3%.

Ulin is reported to season relatively well for such a dense hardwood, but this does not eliminate the need for correct moisture management, installation detailing and project-specific assessment.

For flooring and decking, board dimensions, substrate conditions, ventilation, drainage, acclimatisation where appropriate, fastening systems and installation methods all influence long-term performance.

Machining Ulin

Ulin’s density is an advantage in service but creates additional demands during manufacturing. Its hardness can dull cutting tools more quickly than softer timbers, and appropriate machinery and cutters are important when processing the material.

Pre-drilling is generally recommended when fastening dense Ulin, and professional machining is particularly important when producing accurate profiles for decking and flooring.

Turning an old structural timber into a finished architectural product involves considerably more than simply cutting an old beam into boards. Material selection, inspection, metal detection where appropriate, milling, profiling, sanding and quality control all form part of the production process.

Historical Uses of Ulin Wood

The physical and biological properties of Ulin explain its long history in Southeast Asian construction. Traditional and historical applications include bridges, structural posts, heavy housing construction, flooring, shipbuilding, port structures, exterior construction and timber roof shingles.

Ulin shingles are commonly known as sirap in Indonesia. The species has also been used in engineering environments where builders needed timber capable of tolerating humidity, insects and prolonged outdoor exposure.

This history is particularly relevant to reclaimed Ulin. Many of the structures that later become sources of recoverable timber were originally constructed using Ulin precisely because the builders expected the material to perform for a very long time.

Why Reclaim Ulin?

Reclaimed Ulin vs Newly Harvested Ulin

The distinction between reclaimed Ulin and new Ulin is fundamental. Newly harvested Ulin comes from a recently felled tree, while reclaimed Ulin comes from timber that has already been incorporated into an existing structure or previous use and is subsequently recovered for reuse.

Kaltimber’s core Ulin business follows the second model. We recover suitable material from existing Indonesian structures, inspect it and give it a new architectural life.

Reclaimed does not mean that every old piece of timber is automatically usable. Recovered boards and beams must still be assessed, selected and processed. Material that remains suitable can then be remilled rather than discarded.

Is Reclaimed Ulin the Same as Recycled Ulin?

In everyday search language, the expressions reclaimed Ulin and recycled Ulin are often used interchangeably. Kaltimber primarily uses the term reclaimed Ulin because it more accurately describes solid timber recovered from previous structures and reused in a new application.

The expressions recycled Ulin and recycled ironwood remain useful and widely understood, particularly in online searches. Technically, however, the timber is generally not broken down and remanufactured in the same way that paper, plastic or composite materials are recycled. The solid hardwood itself is recovered, remilled and reused.

Ulin and Conservation

Why Responsible Ulin Sourcing Matters

Ulin’s exceptional performance has also contributed to pressure on the species. Natural populations have been affected by logging, habitat disturbance and slow regeneration, and conservation research has raised concerns about the long-term regeneration of Borneo ironwood in disturbed forests.

This makes sourcing particularly important. Kaltimber’s focus on reclaimed Ulin is based on a straightforward principle: when suitable Ulin already exists in dismantled structures, there is value in preserving and reusing that material rather than treating it as waste.

Kaltimber also supports Ulin replanting initiatives through trusted partners in Indonesia, contributing to the planting of more than 1,000 Ulin trees annually.

Is Ulin CITES Listed?

Current technical references list Ulin as unrestricted under CITES. This should not be confused with timber legality, national forestry regulation or export documentation.

CITES status is only one element of international timber regulation. The legal sourcing, processing and movement of timber remain subject to Indonesian regulations and, for export projects, the requirements applicable to the destination market and product concerned.

SVLK and Traceability

SVLK is Indonesia’s timber legality and sustainability verification system. It provides a regulated framework for demonstrating that timber and timber products processed and traded through Indonesia comply with applicable legal requirements.

Kaltimber operates under SVLK and integrates traceability into its reclaimed timber processing. This is especially important because reclaimed timber should not automatically be assumed to be legal simply because the material is old.

For professional buyers, architects, contractors and export customers, documentation and traceability provide an additional layer of confidence alongside the physical quality of the timber itself.

Reclaimed Ulin Decking

Ulin’s natural durability, high density and resistance to termites make it particularly relevant for exterior decking in tropical environments. Kaltimber manufactures reclaimed Ulin decking in Bali for applications including pool decks, terraces, villas, resorts, hotels, walkways and other outdoor architectural spaces.

Board widths, lengths, profiles and finishes can be selected according to project requirements. Kaltimber has no minimum order quantity for reclaimed Ulin decking, allowing the same specialist material to be supplied for a small residential terrace, private villa, hospitality project or significantly larger development.

Correct installation remains important. Board spacing, ventilation, drainage, supporting structures, fastening methods and exposure conditions all influence the long-term performance of exterior timber.

Explore Reclaimed Ulin Decking

Reclaimed Ulin Flooring

Ulin also has a long history as a flooring timber, and its density, hardness and natural durability make it suitable for high-quality solid hardwood flooring.

Kaltimber manufactures reclaimed Ulin flooring in Bali for villas, residences, hotels, resorts and architectural interiors. Available finishes include Smooth, Rustic and Exotic Finish, while dimensions and profiles can be selected according to project requirements and available reclaimed stock.

Processing strongly influences the final appearance. Smooth Ulin flooring can feel refined and contemporary, while rustic finishing preserves more visible texture and reclaimed character. Exotic Finish combines smooth and rustic areas on each individual board to create a distinctive contrast within the same flooring surface.

Kaltimber has no minimum order quantity for reclaimed Ulin flooring and can work with both small interior projects and larger hospitality or architectural requirements.

Explore Reclaimed Ulin Flooring

Ulin in Wet and Outdoor Environments

Is Ulin Suitable Around Swimming Pools?

Yes. Ulin’s natural durability makes it particularly well suited to poolside decking when the system is correctly designed and installed.

Pool environments are demanding because timber is repeatedly exposed to rain, splashing, humidity, strong sunlight and changing moisture conditions. Material selection therefore matters, but drainage, ventilation, board spacing, suitable fasteners and installation quality are equally important.

A naturally durable hardwood cannot compensate for poor construction detailing. Correct installation remains essential for long-term performance.

Is Ulin Waterproof?

“Waterproof” is not the correct technical description for any natural timber. Ulin is highly durable and has a long history of use in demanding wet environments, but it remains a natural hygroscopic material that exchanges moisture with its surroundings.

A more accurate description is that Ulin possesses very high natural durability and strong resistance to biological deterioration in demanding tropical and wet environments.

Good drainage and appropriate detailing should still be incorporated into outdoor construction.

Can Ulin Be Used Outdoors?

Yes. Outdoor construction is one of the applications for which Ulin is particularly well known.

Historical applications include bridges, posts, exterior construction, port structures and shingles. Modern reclaimed Ulin is particularly suitable for decking, terraces, pool surrounds, garden areas, walkways and other outdoor architectural spaces.

Finishing and Maintenance

Does Ulin Need Chemical Treatment?

Ulin heartwood is naturally highly durable and does not depend on conventional preservative treatment to obtain the fundamental durability for which the species is known.

Because the timber is extremely dense, preservative impregnation can also be difficult. Exterior oils and finishing products are generally used primarily to influence appearance, surface behaviour and maintenance rather than to transform an inherently non-durable species into a durable one.

The appropriate finishing system depends on the desired appearance, exposure and project requirements.

Does Ulin Need to Be Oiled?

Not necessarily. Ulin can be allowed to weather naturally, in which case sunlight and exposure gradually change the appearance of the wood.

Clients who prefer a richer or darker timber tone can periodically apply an appropriate exterior decking oil according to the manufacturer’s recommendations.

Oiling should therefore be understood mainly as part of an appearance and maintenance strategy rather than the source of Ulin’s underlying natural durability.

How Does Ulin Age?

Ulin changes naturally over time. Newly exposed or freshly machined timber can show yellow-brown, reddish-brown or olive-brown tones, while exposure to sunlight, rainfall and the surrounding environment gradually alters the colour.

Exterior surfaces may develop different appearances depending on orientation, exposure and maintenance. Reclaimed Ulin can show even greater variation because different surfaces may already have experienced years of weathering before the timber was recovered.

This natural evolution is one of the reasons reclaimed Ulin develops such a distinctive architectural character.

Ulin for Interior Applications

Can Ulin Be Used Indoors?

Yes. Ulin is not limited to exterior applications. Flooring is one of its established uses, and reclaimed Ulin can create distinctive solid hardwood floors in villas, residences, hotels, restaurants and other hospitality interiors.

For indoor projects, board dimensions, moisture conditions, substrate preparation, installation method, finishing system and desired appearance should all be considered.

Because reclaimed timber varies naturally, clients should expect character and visual variation rather than the absolute uniformity of a synthetic flooring product.

Working With Ulin

Is Ulin Difficult to Machine?

Compared with softer timbers, Ulin requires appropriate machinery and experience because of its density and hardness. Cutting tools must be suitable for dense tropical hardwood, and pre-drilling is generally recommended for fastening.

For professional manufacturers, these characteristics are manageable. They do, however, reinforce why reclaimed Ulin needs to be properly processed rather than treated like ordinary lightweight timber.

At Kaltimber, recovered material is inspected and machined according to the product being produced, whether decking, flooring or another architectural component.

Is Every Piece of Reclaimed Ulin the Same?

No. Variation is inherent to reclaimed timber.

Boards may differ in grain, colour, previous exposure, original dimensions, weathering and surface character. Kaltimber therefore assesses recovered timber before processing and selects material according to its condition and intended application.

For architectural projects, this means clients should expect the natural individuality of reclaimed wood rather than perfect visual uniformity.

Why Architects Specify Reclaimed Ulin

Architects and designers may select reclaimed Ulin for several reasons simultaneously. It offers measurable natural durability, a long technical history in tropical construction, resistance to termites and decay, distinctive reclaimed character and the opportunity to reuse an existing material rather than relying entirely on newly harvested timber.

For Kaltimber projects, the principal applications are decking and flooring. Selected recovered stock can also be considered for other architectural uses where dimensions, condition and available material are appropriate.

Reclaimed Ulin can therefore provide both technical performance and a visible material story, particularly in projects where natural materials and long-term durability are important design considerations.

What Makes Kaltimber’s Reclaimed Ulin Different?

Kaltimber has specialized in reclaimed Ulin in Bali since 2009. Our role is not simply to trade old timber. We recover, select, inspect, remill and manufacture reclaimed Ulin into finished architectural products, with decking and flooring at the core of our production.

Each reclaimed board has to pass through a process of evaluation and manufacturing before it can become part of a new project. This allows recovered structural material to be transformed into accurate contemporary products while preserving the character that makes reclaimed Ulin distinctive.

Kaltimber works with private clients, architects, designers, contractors, resorts and hospitality professionals. We can supply small residential requirements as well as significantly larger projects, and there is no minimum order quantity.

For clients in Bali, samples and available finishes can be viewed directly through Kaltimber. For projects elsewhere in Indonesia or internationally, dimensions, drawings and specifications can be reviewed before quotation.

Reclaimed Ulin in Bali

Bali’s tropical climate creates demanding conditions for timber. High humidity, heavy rainfall, termites, strong sunlight and frequent indoor-outdoor architectural design mean that both material selection and installation quality matter.

Ulin’s natural durability has made it particularly relevant for tropical construction, while reclaimed Ulin adds the architectural character and resource efficiency of reusing an existing material.

Kaltimber manufactures reclaimed Ulin decking and flooring in Bali and supplies projects throughout the island, elsewhere in Indonesia and internationally.

For detailed information in Bahasa Indonesia about Kayu Ulin Bali, Kayu Ulin bekas, Decking Ulin, Lantai Ulin, pricing, specifications and ordering:

Panduan Kayu Ulin Bali

Frequently Asked Questions About Ulin Ironwood

What is Ulin?

Ulin is a dense tropical hardwood species scientifically known as Eusideroxylon zwageri. It is native primarily to Borneo and Sumatra and is also known as Borneo ironwood, Kayu Ulin, Kalimantan ironwood and Belian.

Is Ulin a hardwood?

Yes. Ulin is an exceptionally dense tropical hardwood belonging to the Lauraceae family.

Is Ulin naturally termite resistant?

Yes. Ulin heartwood possesses strong natural resistance to termite attack, one of the properties that has made the species particularly valuable in tropical construction.

Is Ulin resistant to decay?

Yes. Ulin is classified as a very durable timber and possesses strong natural resistance to biological deterioration, including wood-rotting fungi.

Is Ulin suitable for decking?

Yes. Ulin’s high natural durability, density and history of demanding exterior use make it particularly suitable for outdoor decking when correctly specified and installed.

Is Ulin suitable for flooring?

Yes. Flooring is one of the established uses of Ulin. Kaltimber manufactures solid reclaimed Ulin flooring for residential, hospitality and architectural interiors.

What is reclaimed Ulin?

Reclaimed Ulin is Ulin timber recovered from an existing structure or previous use and processed again for a new application rather than being sourced directly from a newly harvested tree.

Is reclaimed Ulin the same as recycled Ulin?

The expressions are often used interchangeably in everyday language and online searches. Kaltimber primarily uses “reclaimed Ulin” because the solid timber itself is recovered, remilled and reused rather than being broken down into a new manufactured material.

Where does Ulin come from?

The native range of Eusideroxylon zwageri is primarily Borneo and Sumatra, which explains its strong association with Kalimantan and the common international name Borneo ironwood.

How dense is Ulin?

Technical data reports an air-dry density of approximately 1.02 g/cm³ at 12% moisture content, making Ulin one of the denser tropical hardwoods commonly used in construction.

What durability class is Ulin?

ITTO gives Ulin a Natural Durability Index of 1, representing the highest durability category within its classification system.

Does Ulin change colour?

Yes. Freshly machined Ulin can show yellow-brown, reddish-brown and related tones and may darken considerably with exposure. Reclaimed material can show additional variation resulting from its previous use and weathering.

Does Ulin need to be oiled?

Not necessarily. Ulin can weather naturally. Exterior oil can be used where clients prefer to maintain a richer or darker timber appearance.

Is Ulin waterproof?

No natural timber should technically be described as completely waterproof. Ulin is exceptionally durable in wet and tropical conditions, but correct drainage and installation remain important.

Can Ulin be used indoors?

Yes. Reclaimed Ulin can be used for solid hardwood flooring and other selected interior architectural applications.

Does Kaltimber sell newly harvested Ulin?

Kaltimber’s core Ulin business is based on reclaimed Ulin recovered from existing Indonesian structures and processed for reuse.

Does Kaltimber have a minimum order quantity?

No. Kaltimber can supply reclaimed Ulin for small residential projects as well as larger hospitality and architectural requirements.

Can Kaltimber supply reclaimed Ulin outside Bali?

Yes. Kaltimber supplies projects elsewhere in Indonesia and internationally, subject to specifications, logistics and applicable documentation requirements.

Can I see reclaimed Ulin in Bali?

Yes. Clients can contact Kaltimber to view reclaimed Ulin decking, flooring, samples and available finishes in Bali. Architects, designers and contractors can also send drawings or specifications before visiting so that relevant options can be prepared.

Giving Ulin a New Architectural Life

Ulin is an exceptional material, but its value should not be measured only by how hard, dense or durable it is. A board of reclaimed Ulin represents a natural resource that has already served one purpose and can potentially serve another.

That principle is at the centre of Kaltimber’s approach. By recovering suitable Ulin from existing structures, inspecting it carefully and remilling it into new decking, flooring and selected architectural products, we extend the useful life of an already harvested tropical hardwood.

The result combines technical performance, material history and contemporary architectural use. Rather than attempting to erase every mark of age and previous use, reclaimed Ulin allows those characteristics to become part of a new project.

For Kaltimber, that is what reclaimed Ulin means: giving an exceptional existing material a new architectural life.

Photo by Kaltimber

Looking for reclaimed Ulin timber in Bahasa Indonesia? Visit our Indonesian guide to kayu Ulin bekas, reclaimed ironwood sourcing and suitable applications for decking, flooring and construction projects.

Mencari Kayu Ulin Bekas di Bali?

Kaltimber memproduksi dan memasok 100% reclaimed Kayu Ulin untuk decking, lantai dan proyek arsitektur di Bali dan seluruh Indonesia. Pelajari pilihan produk, ukuran, finishing, sourcing, SVLK dan cara mendapatkan penawaran dalam panduan lengkap kami.

Teak flooring wirebrushed

Teak flooring wirebrushed

Reclaimed Hardwoods from Kitaru Lumberyard


Located just a short distance from our main site in Bali, our trusted partner, Kitaru Lumberyard, specializes in reclaiming premium tropical hardwoods from East Kalimantan and Central Java. All wood is legally sourced, verified, and expertly repurposed for sustainable use in decking, flooring, cladding, and bespoke joinery projects.

More about our wood species

Teak (Tectona grandis)

Teak is a legendary hardwood prized for its golden-brown hue, high oil content, and unmatched durability. Naturally resistant to water, termites, and decay, it’s a preferred choice for marine applications, outdoor furniture, and luxury architecture. Over time, untreated teak develops a graceful silver-grey patina. Native to Southeast Asia, teak remains a sustainable option thanks to regulated plantations in Indonesia and beyond.

Bangkirai (Shorea laevis)

Also known as Yellow Balau, Bangkirai is a dense, heavy-duty hardwood ideal for outdoor use. Its natural resistance to rot, fungi, and pests makes it perfect for decking, docks, and high-traffic exterior spaces. With a golden to deep honey tone, Bangkirai brings both strength and beauty to any project, aging into a weathered grey without compromising structural integrity.

Kapur (Dryobalanops lanceolata)

Kapur is a reddish-brown hardwood known for its strength, termite resistance, and versatility. Often used in both structural and decorative applications, it's ideal for roofing frameworks, exterior cladding, and interior flooring. Its balanced density makes it easy to work with, while its natural durability ensures longevity in exposed environments.

Meranti (Shorea spp.)

Meranti offers rich, warm tones and fine grain, making it a favorite for interior design, cabinetry, and paneling. Lightweight yet structurally sound, this species blends aesthetic appeal with everyday performance. Available in red, yellow, and white varieties, reclaimed Meranti delivers a sustainable and elegant solution for high-end joinery and decorative finishes.

For more information or to request detailed wood data sheets, feel free to contact us or follow this link to reach Kitaru Lumberyard directly.

 

What is reclaimed wood anyway?

Reclaimed wood is an umbrella term used to define wood that has been previously logged and used for building or other projects. It can also be referred to as recycled timber or reclaimed timber. This can include post-consumer, water-recovered, and post-industrial. By using lumber that would otherwise become trash, we can create a sustainable building practice, while creating high quality wood for structural and other purposes.  
 

We know exactly where each piece of Kaltimber wood comes from, ensuring that we can account for it and guarantee it comes from a disused structure that was being demolished.

Why choosing reclaimed timber?

Indonesia’s rain forests are facing unprecedented pressure. Given that up to 90% of hardwood logging in Indonesia is illegal and destructive, it is most likely that new timber purchased here has been harvested unsustainably, and has contributed to forest (new and old growth as well as copse) destruction. Indonesia is also the world's third largest emitter of carbon, due to its high deforestation rate.

By choosing reclaimed hardwood over new sawn timber, you are actively contributing to reducing deforestation and carbon emissions in Indonesia. Aged reclaimed timbers are in many cases of superior quality to many commercially available timbers as, due to dwindling stock, younger and smaller trees of inferior quality are being increasingly relied on to supply the domestic timber market. Reclaimed timbers have character and warmth, and can be left in a rustic state or finished to a clean even cut.

Terms you might hear when talking about reclaimed wood: 

Post-Consumer Reclaimed
Wood reclaimed primarily from old structures such as old buildings, bridges and other sources.

Post-Industrial Reclaimed
Wood reclaimed from the waste produced by wood processing and manufacturing, such as small or thin scrap material from furniture manufacturing. 

Underwater Reclaimed
Wood harvested from underwater forests flooded decades ago to create reservoirs for water storage and power generation. 

 

Wood Glossary

 Learn all about the wood related vocabulary you might find on our website

Back Relieved

grooves on the back face of the board that allow the board to expand an contract

Bolt Hole

a hole made by putting a bolt through

Bow

a lengthwise bend in the wood

Check

a crack across the growth rings not extending from one surface to another

Cup

a bend in the width of the wood so that it doesn’t lie flat on the ground

Knot

base of a side branch or dormant bud, it is an imperfection in the wood 

Mortise

a hold through the piece of wood

Notch

a piece of the wood missing making it non-uniform

Pith

a dark spot which was once an upward growing twig when the tree was young

Sap Wood

the outer layer of the wood of a tree, which, when the tree was living, contained tissue which provided water and food materials to the tree

Split

a crack across the growth rings extending from one surface to another

Twist

a spiral distortion along the length of a piece of timber

Variation

a natural variation of colour in the wood that is neither sap wood or pith is considered normal 

Environmental Policy

Our Commitment to Sustainability 🌿

At Kaltimber, sustainability is at the core of everything we do. We believe that high-quality timber doesn’t have to come at the cost of the environment. That’s why we specialize in ethically sourced, reclaimed wood—giving new life to materials from decommissioned structures while reducing deforestation and waste.

Our environmental policy reflects our deep commitment to responsible business practices. From minimizing energy and water consumption to promoting waste reduction and ethical sourcing, we continuously strive to lower our ecological footprint. We work closely with local communities, artisans, and designers to maximize resource efficiency and support a more sustainable future.
In partnership with various NGOs, we have actively replanted thousands of Ulin (ironwood) trees to ensure the preservation of this precious species for future generations. Starting January 2025, we are expanding our reforestation efforts to include other essential native species, further enhancing biodiversity and ecosystem restoration.

We hold ourselves accountable by setting clear environmental goals, training our team, and regularly reviewing our practices to ensure continuous improvement. By choosing Kaltimber, you are supporting a company dedicated to preserving natural resources and promoting a circular economy.

Read our full Environmental Policy to learn more about our initiatives and commitments.

Decommissioned building visit before demolition and reclaining

 

Privacy Policy for Kaltimber

At Kaltimber, accessible from www.kaltimber.com, one of our main priorities is the privacy of our visitors. This Privacy Policy document contains types of information that is collected and recorded by Kaltimber and how we use it.

If you have additional questions or require more information about our Privacy Policy, do not hesitate to contact us.

This Privacy Policy applies only to our online activities and is valid for visitors to our website with regards to the information that they shared and/or collect in Kaltimber. This policy is not applicable to any information collected offline or via channels other than this website.

Consent

By using our website, you hereby consent to our Privacy Policy and agree to its terms.

Information we collect

The personal information that you are asked to provide, and the reasons why you are asked to provide it, will be made clear to you at the point we ask you to provide your personal information.

If you contact us directly, we may receive additional information about you such as your name, email address, phone number, the contents of the message and/or attachments you may send us, and any other information you may choose to provide.

We may ask for your contact information, including items such as name, company name, address, email address, and telephone number.

How we use your information

We use the information we collect in various ways, including to:

  • Provide, operate, and maintain our website

  • Improve, personalize, and expand our website

  • Understand and analyze how you use our website

  • Develop new products, services, features, and functionality

  • Communicate with you, either directly or through one of our partners, including for customer service, to provide you with updates and other information relating to the website, and for marketing and promotional purposes

  • Send you emails

  • Find and prevent fraud

Log Files

Kaltimber follows a standard procedure of using log files. These files log visitors when they visit websites. All hosting companies do this and a part of hosting services' analytics. The information collected by log files include internet protocol (IP) addresses, browser type, Internet Service Provider (ISP), date and time stamp, referring/exit pages, and possibly the number of clicks. These are not linked to any information that is personally identifiable. The purpose of the information is for analyzing trends, administering the site, tracking users' movement on the website, and gathering demographic information.

Advertising Partners Privacy Policies

You may consult this list to find the Privacy Policy for each of the advertising partners of Kaltimber.

Third-party ad servers or ad networks uses technologies like cookies, JavaScript, or Web Beacons that are used in their respective advertisements and links that appear on Kaltimber, which are sent directly to users' browser. They automatically receive your IP address when this occurs. These technologies are used to measure the effectiveness of their advertising campaigns and/or to personalize the advertising content that you see on websites that you visit.

Note that Kaltimber has no access to or control over these cookies that are used by third-party advertisers.

Third Party Privacy Policies

Kaltimber's Privacy Policy does not apply to other advertisers or websites. Thus, we are advising you to consult the respective Privacy Policies of these third-party ad servers for more detailed information. It may include their practices and instructions about how to opt-out of certain options.

You can choose to disable cookies through your individual browser options. To know more detailed information about cookie management with specific web browsers, it can be found at the browsers' respective websites.

CCPA Privacy Rights (Do Not Sell My Personal Information)

Under the CCPA, among other rights, California consumers have the right to:

Request that a business that collects a consumer's personal data disclose the categories and specific pieces of personal data that a business has collected about consumers.

Request that a business delete any personal data about the consumer that a business has collected.

Request that a business that sells a consumer's personal data, not sell the consumer's personal data.

If you make a request, we have one month to respond to you. If you would like to exercise any of these rights, please contact us.

GDPR Data Protection Rights

We would like to make sure you are fully aware of all of your data protection rights. Every user is entitled to the following:

The right to access – You have the right to request copies of your personal data. We may charge you a small fee for this service.

The right to rectification – You have the right to request that we correct any information you believe is inaccurate. You also have the right to request that we complete the information you believe is incomplete.

The right to erasure – You have the right to request that we erase your personal data, under certain conditions.

The right to restrict processing – You have the right to request that we restrict the processing of your personal data, under certain conditions.

The right to object to processing – You have the right to object to our processing of your personal data, under certain conditions.

The right to data portability – You have the right to request that we transfer the data that we have collected to another organization, or directly to you, under certain conditions.

If you make a request, we have one month to respond to you. If you would like to exercise any of these rights, please contact us.

Children's Information

Another part of our priority is adding protection for children while using the internet. We encourage parents and guardians to observe, participate in, and/or monitor and guide their online activity.

Kaltimber does not knowingly collect any Personal Identifiable Information from children under the age of 13. If you think that your child provided this kind of information on our website, we strongly encourage you to contact us immediately and we will do our best efforts to promptly remove such information from our records.

 
 

Terms & Conditions


Here you will find the terms and conditions when making a purchase with Kaltimber, where we outline what you are agreeing to when entering into a purchase with Kaltimber. 

Please review them to limit confusion and enable us to provide you with the highest possible customer service experience.

You can always contact us with any questions at info@kaltimber.com

Note: An Indonesian version of these Terms & Conditions is available upon request. If not requested, the client acknowledges and accepts that the English version shall apply in full and is legally binding.
 

Syarat & Ketentuan
Di sini Anda akan menemukan syarat dan ketentuan ketika melakukan pembelian dengan Kaltimber, yang menjelaskan hal-hal yang Anda setujui saat melakukan transaksi dengan Kaltimber.

Silakan tinjau dokumen ini untuk mengurangi potensi kesalahpahaman dan memungkinkan kami memberikan pengalaman layanan pelanggan terbaik bagi Anda.

Anda selalu dapat menghubungi kami untuk pertanyaan lebih lanjut di info@kaltimber.com

Catatan: Versi Bahasa Indonesia dari Syarat & Ketentuan ini tersedia jika diminta. Jika tidak diminta, klien dengan ini mengakui dan menerima bahwa versi Bahasa Inggris berlaku sepenuhnya dan mengikat secara hukum.

 
 
 

Kaltimber Price Promise

At Kaltimber, we believe premium reclaimed Ulin should come with fair and transparent pricing.

If you find a comparable offer for reclaimed Ulin decking, flooring, ceiling, panelling or architectural hardwood products, we are happy to review it.

Our Price Promise applies in two situations:

1. Before You Purchase

Already received another quote?

Send it to us before confirming your order. If the product is genuinely comparable, we will review the offer and do our best to match it.

To compare fairly, the quote must include similar:

  • Wood species: reclaimed Ulin / ironwood

  • Product type and profile

  • Dimensions and quantity

  • Grade and finishing level

  • Moisture condition / kiln drying if applicable

  • Legality and sourcing standard

  • Delivery terms and location




2. After You Purchase

If you have already purchased from Kaltimber and later find the same product offered at a lower price, contact us.

If the competing offer is genuinely comparable and valid, we may offer a credit, refund difference or commercial adjustment depending on the case.





How to Claim

Send us:

  1. The competing quote or product link

  2. Product specifications

  3. Quantity required

  4. Delivery location

  5. Your Kaltimber quote or invoice, if available

Our team will review the information and reply with a fair comparison.

What Counts as Comparable?

A cheaper product is not always the same product.

Our Price Promise only applies when the alternative offer is equivalent in material, quality, legality, processing, service and delivery conditions.

We do not compare Kaltimber reclaimed Ulin products with:

  • Unknown species

  • Fresh-cut or non-reclaimed timber

  • Lower-grade timber

  • Non-legal or unclear-source products

  • Different dimensions or profiles

  • Unprocessed rough timber

  • Temporary promotions, clearance stock or liquidation offers

  • Products without warranty or clear supplier responsibility

Our Promise

We do not promise to be the cheapest supplier in every situation.

We promise to offer strong value for premium reclaimed Ulin: legal sourcing, reliable production, careful grading, product traceability, responsible business practices and fair pricing.

Storage | Delivery | Installation

What we can help you with as part of our services and recommendations

 STORAGE

As a service to you, Kaltimber will store your purchased products for up to 30 days under some terms and conditions. Your materials will be stored directly on Kaltimber’s premises or in a similarly controlled storage space as determined by Kaltimber.  Your materials will be segregated and clearly marked with your name (including project name if available).
Buyer is ultimately responsible of his material once production is done.

DELIVERY

Delivery requirements are usually discussed at the quote stage so that additional costs are included. For international orders, Kaltimber can recommend a list of shipping companies that we use for inter-island or international shipping.

INSTALLATION

Kaltimber doesn't install flooring or decking, but we have reliable partners we highly recommend and can happily connect you to.

Strapped smooth ulin decking ready to travel the world!

Strapped smooth ulin decking ready to travel the world!

Limited Warranty

Examine the details of our 25-year limited guarantee, which guards against premature wear and manufacturing faults on our products. Our dedication to excellence guarantees you will have piece of mind knowing that your purchase is long-term safeguarded.

Important Installation Guidelines for Your Reclaimed Ulin Decking and Flooring

We take great pride in providing you with unique and beautiful materials. However, it's essential to understand that reclaimed ulin behaves differently compared to other woods. To ensure the successful installation and longevity of your project, we have prepared these important installation guidelines.

Qualified Installation

We highly recommend using a professional installer with a proven track record of working with reclaimed ulin. Even experienced woodworkers may need specialized expertise for this unique material.

Maximum Flooring Area

For flooring installations, do not exceed 40 square meters at once to prevent issues related to expansion and contraction.

Expansion Gaps

Maintain an expansion gap of at least 1cm on both sides (left and right against wall or structure) and recommended the same in front and back for both flooring and decking. For decking, also respect an expansion gap between planks of a minimum of 6mm for narrow planks and 8mm for wide planks.

Proper Fastening

Use appropriate wood screws and pre-drill before inserting the screw to prevent cracking or splitting of the wood. Under no circumstances should nails or nail guns be used in the installation.

Batten and Joist

Ensure that the batten and joist system is of sufficient height to allow proper airflow, as heat buildup can damage the planks. Additionally, the area below where batten and joist are installed should allow for water evacuation to prevent moisture buildup, which can also damage the wood.

Maintenance

Once installed, be cautious with maintenance. For flooring, avoid washing with water, as it can lead to warping and damage. Stains can be challenging to remove from smooth wood and impossible to remove from rustic surfaces.

By adhering to these guidelines, you will enjoy the natural beauty and durability of reclaimed ulin for years to come. If you have any questions or concerns, please do not hesitate to contact us for further assistance. Your satisfaction is our top priority, and we are here to support you every step of the way.

Warranty and Replacement Policy

If the installation guidelines outlined above are not followed, we regret that we cannot provide free replacement of the wood. However, we are committed to assisting you in resolving any issues you may encounter during or after installation.

Consultation and Support

We are more than willing to provide consultation and on-site assistance as soon as our schedule allows. Depending on the nature of the consultation, it might be free. Our goal is to ensure the successful completion of your project and address any challenges that may arise.

Documentation Requirements

To be eligible for a warranty claim or wood replacement, we require clear documentation of the installation process:

  1. Pictures during Installation: We need pictures that clearly show the placement of battens and joists, ensuring they meet the recommended standards include sizes and spacing.

  2. Post-Installation Videos: After the installation is complete, provide videos showing the proper expansion gaps at various points on the decking or near the wall in the case of flooring.

Contractor/Installer Responsibility

We expect the contractor or installer to share our commitment to a successful installation. They should be fully capable of addressing any issues, whether they arise from unintentional mistakes or otherwise.

Final Thoughts

Your satisfaction with our reclaimed ulin products remains our top priority. These guidelines are designed to help you achieve the best results while using our unique materials. We encourage you to reach out if you have any questions or concerns during your project. We are here to support you, ensuring that your experience with reclaimed ulin is exceptional from start to finish.

Thank you for choosing our reclaimed ulin products. If you have any questions or need further assistance, please don't hesitate to contact us. We look forward to helping you achieve a beautiful and long-lasting result!

Kayu Ulin Bali — Kayu Ulin Bekas untuk Decking & Lantai

Kaltimber adalah produsen dan pemasok Kayu Ulin bekas di Bali yang berfokus pada decking dan lantai dari 100% reclaimed Ulin ironwood.

Berbasis di Bali sejak 2009, kami memproses Kayu Ulin bekas untuk proyek rumah tinggal, villa, hotel, resort, hospitality dan arsitektur di Bali, seluruh Indonesia dan pasar internasional.

Kaltimber melayani pelanggan yang mencari Kayu Ulin Bali, Bali Kayu Ulin, Ulin bekas, decking Ulin dan lantai Ulin tanpa minimum order.

Kami melayani proyek kecil maupun besar tanpa minimum order quantity.

Spesialis Kayu Ulin Bekas di Bali

Kaltimber bukan pemasok kayu tropis umum. Material utama kami adalah reclaimed Ulin, atau Kayu Ulin bekas, yang dipulihkan dari struktur lama di Indonesia lalu dipilih, diperiksa dan diproses kembali untuk penggunaan arsitektur baru.

Bagi pelanggan yang mencari Kayu Ulin Bali atau Bali Kayu Ulin, Kaltimber menyediakan reclaimed Ulin langsung dari Bali untuk kebutuhan proyek kecil maupun besar.

Kayu Ulin juga dikenal sebagai Borneo ironwood dan merupakan salah satu hardwood tropis Indonesia yang terkenal karena kepadatan dan ketahanan alaminya.

Fokus utama Kaltimber adalah dua produk:

  • Decking Ulin

  • Lantai Ulin

Produk Ulin lainnya dapat dibuat untuk kebutuhan arsitektur tertentu, namun decking dan flooring tetap menjadi spesialisasi utama kami.

Apa Itu Kayu Ulin Bekas?

Kayu Ulin bekas adalah Ulin yang sebelumnya telah digunakan dalam struktur seperti bangunan, jembatan dan konstruksi lama, kemudian diselamatkan dan diproses kembali untuk penggunaan baru.

Berbeda dengan Kayu Ulin baru, Kaltimber berfokus pada reclaimed Ulin yang sudah memiliki riwayat penggunaan.

Setiap material dipilih berdasarkan kondisi, ukuran dan kualitasnya sebelum melalui proses pemotongan, machining, sanding dan finishing sesuai kebutuhan proyek.

Hasilnya adalah kayu solid dengan karakter alami yang tidak seragam seperti material buatan: warna, serat, tekstur dan bekas penggunaan sebelumnya menjadi bagian dari karakter reclaimed Ulin.

Decking Ulin Bali

Kaltimber memproduksi reclaimed Ulin decking untuk area outdoor di Bali, termasuk:

  • Pool deck

  • Terrace

  • Villa

  • Resort

  • Hotel

  • Restaurant

  • Garden deck

  • Walkway

  • Outdoor architectural spaces

Ulin merupakan hardwood yang sangat padat dengan ketahanan alami terhadap rayap dan pembusukan, sehingga sangat cocok untuk kondisi tropis dengan kelembapan tinggi dan curah hujan besar.

Decking tersedia dalam berbagai lebar, panjang, profil dan finishing sesuai kebutuhan proyek.

Kami menyediakan pilihan smooth maupun rustic finish serta machining khusus berdasarkan spesifikasi proyek.

Tidak ada minimum order.

Lantai Ulin Bali

Reclaimed Ulin flooring memberikan kombinasi antara kekuatan hardwood tropis dan karakter alami kayu bekas.

Kaltimber memproduksi lantai Ulin untuk:

  • Villa

  • Rumah tinggal

  • Hotel dan resort

  • Restaurant

  • Hospitality interiors

  • Architectural projects

Pilihan finishing meliputi:

Smooth Finish
Permukaan halus dan refined untuk tampilan interior yang lebih bersih.

Rustic Finish
Tekstur lebih kuat yang mempertahankan karakter reclaimed timber.

Exotic Finish
Kombinasi area smooth dan rustic pada setiap papan untuk menciptakan permukaan dengan karakter yang lebih unik.

Lantai Ulin juga dapat digunakan untuk straight flooring, parquet, herringbone dan chevron tergantung desain serta spesifikasi machining.

Kenapa Kayu Ulin Cocok untuk Bali?

Kondisi tropis Bali menuntut material yang mampu menghadapi kelembapan, hujan, panas dan serangga.

Reclaimed Ulin memiliki beberapa karakteristik utama:

  • Hardwood tropis dengan kepadatan tinggi

  • Ketahanan alami terhadap rayap

  • Ketahanan alami terhadap pembusukan

  • Sangat cocok untuk iklim tropis

  • Durabilitas jangka panjang

  • Cocok untuk penggunaan indoor maupun outdoor

  • Karakter alami dari reclaimed timber

Namun kualitas material saja tidak cukup. Instalasi yang benar, drainage, ventilation, joist spacing dan pemilihan sistem fastening juga penting untuk performa jangka panjang.

Jual Kayu Ulin Bekas di Bali

Jika Anda mencari jual Kayu Ulin bekas di Bali, Kaltimber melayani kebutuhan mulai dari proyek kecil hingga proyek hospitality dan arsitektur dalam volume besar.

Kami tidak memiliki minimum order quantity.

Untuk mendapatkan penawaran, kirimkan kepada kami:

  • Jumlah atau luas area

  • Ukuran papan yang dibutuhkan

  • Ketebalan

  • Lebar

  • Panjang

  • Pilihan finishing

  • Profil

  • Lokasi proyek

  • Gambar kerja atau spesifikasi proyek jika tersedia

Tim kami kemudian dapat mengevaluasi kebutuhan proyek dan merekomendasikan spesifikasi reclaimed Ulin yang sesuai.

Harga Kayu Ulin Bekas

Harga Kayu Ulin tidak ditentukan hanya berdasarkan luas per meter persegi.

Harga bergantung pada beberapa faktor, termasuk:

  • Dimensi papan

  • Ketebalan

  • Lebar

  • Pilihan panjang

  • Profil

  • Finishing

  • Quantity

  • Custom machining

  • Lokasi pengiriman

Karena setiap proyek memiliki kebutuhan berbeda, Kaltimber memberikan quotation berdasarkan spesifikasi aktual proyek.

Untuk mendapatkan harga Kayu Ulin terbaru, kirimkan ukuran dan jumlah yang Anda butuhkan kepada tim kami.

Kayu Ulin Kalimantan, Diproses di Bali

Ulin merupakan hardwood yang berasal dari Borneo/Kalimantan dan dikenal di Indonesia sebagai Kayu Ulin.

Kaltimber tidak berfokus pada penebangan Ulin baru. Kami bekerja dengan Kayu Ulin bekas yang dipulihkan dari struktur yang sudah ada dan memberikan material tersebut kehidupan arsitektur baru.

Tim kami di Bali kemudian memilih dan memproses timber menjadi decking, flooring serta produk arsitektur tertentu sesuai kebutuhan proyek.

Kayu Ulin untuk Proyek Kecil dan Besar

Kaltimber tidak hanya melayani resort atau proyek besar.

Kami dapat memasok reclaimed Ulin untuk:

  • Renovasi rumah

  • Pool deck kecil

  • Villa pribadi

  • Lantai satu ruangan

  • Residential developments

  • Resorts

  • Hotels

  • Restaurants

  • Hospitality projects

  • Large architectural developments

Tidak ada MOQ, sehingga jumlah yang dibutuhkan dapat disesuaikan dengan proyek.

Showroom Kayu Ulin di Bali

Klien di Bali dapat melihat langsung pilihan reclaimed Ulin, decking, flooring, finishing dan sample di showroom Kaltimber.

Arsitek, desainer interior, kontraktor, dan tim proyek juga dapat mengirimkan gambar kerja atau spesifikasi sebelum berkunjung agar tim kami dapat mempersiapkan pilihan yang paling relevan.

Kaltimber berlokasi di Bali dan juga memasok proyek di luar Bali serta pasar internasional.

Legalitas, SVLK dan Traceability

Kaltimber beroperasi di bawah sistem legalitas kayu Indonesia SVLK.

Setiap reclaimed Ulin yang diproses melalui Kaltimber diperiksa dan dicatat untuk mendukung kontrol kualitas dan ketertelusuran

Bagi kami, reclaimed tidak hanya berarti menggunakan kayu lama. Material harus dipilih dan diproses secara profesional agar dapat digunakan kembali untuk proyek arsitektur baru.

Reclaimed Ulin dan Penggunaan Kembali Kayu

Menggunakan reclaimed Ulin memperpanjang masa penggunaan timber yang sudah ada daripada hanya mengandalkan material yang baru ditebang.

Kaltimber juga mendukung program penanaman kembali Ulin melalui mitra terpercaya di Indonesia, dengan kontribusi lebih dari 1.000 pohon Ulin setiap tahun.

Sejak 2025, program tersebut berkembang untuk mendukung penanaman spesies lokal lainnya dan inisiatif restorasi ekosistem bersama organisasi lingkungan dan mitra NGO.

Pertanyaan Umum Tentang Kayu Ulin di Bali

Apa itu Kayu Ulin?

Kayu Ulin adalah hardwood tropis dari Borneo/Kalimantan yang juga dikenal sebagai Borneo ironwood. Kayu ini dikenal karena kepadatan, kekuatan dan ketahanan alaminya.

Apakah Kaltimber menjual Kayu Ulin bekas?

Ya. Kaltimber mengkhususkan diri pada reclaimed Kayu Ulin yang berasal dari struktur lama di Indonesia dan diproses kembali untuk decking, flooring serta kebutuhan arsitektur lainnya.

Apakah Kayu Ulin cocok untuk decking di Bali?

Ya. Kepadatan, ketahanan terhadap rayap dan durabilitas alami Ulin membuatnya sangat sesuai untuk pool deck, terrace dan area outdoor di lingkungan tropis.

Instalasi dan drainage yang benar tetap penting untuk performa jangka panjang.

Apakah Kayu Ulin cocok untuk lantai?

Ya. Reclaimed Ulin dapat diproses menjadi solid hardwood flooring untuk rumah, villa, resort dan hospitality interiors.

Kaltimber menyediakan berbagai ukuran, profil dan finishing termasuk Smooth, Rustic dan Exotic Finish.

Berapa harga Kayu Ulin bekas?

Harga bergantung pada dimensi, panjang, profil, finishing, quantity dan machining yang dibutuhkan.

Kaltimber memberikan project-specific quotation berdasarkan spesifikasi aktual daripada satu harga standar untuk semua proyek.

Apakah ada minimum order?

Tidak. Kaltimber tidak memiliki minimum order quantity untuk reclaimed Ulin.

Kami dapat melayani kebutuhan kecil hingga proyek hospitality dan architectural developments dalam volume besar.

Apakah Kaltimber bisa mengirim Kayu Ulin ke luar Bali?

Ya. Kaltimber memasok reclaimed Ulin untuk proyek di seluruh Indonesia maupun pasar internasional.

Pilihan pengiriman akan disesuaikan dengan jumlah, ukuran dan tujuan proyek.

Apakah Kayu Ulin Kaltimber merupakan kayu baru?

Tidak. Fokus Kaltimber adalah reclaimed Ulin yang dipulihkan dari struktur yang sudah ada dan kemudian diproses kembali untuk penggunaan baru.

Apa perbedaan Decking Ulin dan Lantai Ulin?

Decking Ulin dirancang untuk penggunaan outdoor seperti pool deck, terrace dan garden areas.

Lantai Ulin terutama digunakan untuk interior. Profil, finishing dan metode instalasinya berbeda sesuai dengan aplikasi.

Di mana saya bisa melihat Kayu Ulin di Bali?

Anda dapat mengunjungi showroom Kaltimber di Bali untuk melihat sample reclaimed Ulin, decking, flooring dan pilihan finishing secara langsung.

Mencari Kayu Ulin di Bali?

Kirimkan ukuran, jumlah, finishing dan lokasi proyek Anda kepada tim Kaltimber.

Kami dapat membantu menentukan spesifikasi reclaimed Ulin yang sesuai untuk decking, flooring atau kebutuhan arsitektur lainnya.

Tidak ada minimum order.