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Timber Qualities

Timber Kwila, also known as Merbau, is a highly durable hardwood native to Southeast Asia and the Pacific regions. Renowned for its exceptional strength and resistance to decay and termites, Kwila is a popular choice for outdoor decking, flooring, and furniture. Its rich reddish-brown hue and interlocking grain pattern give it an attractive, distinctive appearance. However, its popularity has led to concerns about unsustainable logging practices, prompting the need for certified sustainable sourcing. Despite these issues, Kwila remains a preferred material for many due to its aesthetic appeal and robust performance in challenging environments.

Other Names: Merbau.
Principal Uses:  Decking, flooring, stairs, doors, windows, marine construction and furniture. 
Original Colour: Rich, reddish-brown colour.
Texture: Coarse texture with an interlocking grain.
Density (Dry): 870kg/m3 
Length Spread: 1.8 - 6m 
Dried: Kiln 
Janka Hardness: 8.8(kN) 
Expansion/Contraction: 1-2% 
Tannin Bleed: Yes (first few months) 
Standard Sizes: Smooth (one side) Reeded (Other) - 140/19 
Life expectancy: 15+ years 
Durability Class: Class 2. Moderately Durable 
Screws: 316 Stainless Steel

FAQ on Kwila

Kwila timber, or Merbau, is a durable hardwood known for its rich colour and versatility. Popular in both indoor and outdoor projects, its appeal and resilience raise several common questions. Here are ten FAQs to help you understand Kwila timber better.

What is Kwila timber?

Kwila, also known as Merbau, is a hardwood species native to Southeast Asia and the Pacific regions, valued for its durability and attractive appearance.

What are the common uses of Kwila timber?

Kwila is commonly used for outdoor decking, flooring, furniture, and construction due to its strength and resistance to decay and termites.

What is the colour of Kwila timber?

Kwila timber typically has a rich reddish-brown hue, which can darken with age and exposure to sunlight.

Is Kwila timber durable?

Yes, Kwila is highly durable and resistant to decay, termites, and other pests, making it suitable for outdoor use.

What is the texture of Kwila timber?

Kwila has a coarse texture with an interlocking grain pattern, which provides a slightly rough feel that can be smoothed with polishing.

Is Kwila timber sustainable?

Sustainability can be an issue with Kwila due to over-harvesting. It's important to source Kwila from suppliers who provide certified sustainable timber.

How do you maintain Kwila timber?

Regular cleaning and applying a protective oil or sealant can help maintain the appearance and longevity of Kwila timber, especially when used outdoors.

Does Kwila timber change colour over time?

Yes, Kwila timber can darken over time with exposure to sunlight, enhancing its rich, deep tones.

Is Kwila timber difficult to work with?

While Kwila is dense and strong, it can be worked with standard woodworking tools. However, its hardness can make it more challenging to cut and shape.

Can Kwila timber be used indoors?

Yes, Kwila is also suitable for indoor applications like flooring and furniture, where its aesthetic appeal and durability are highly valued.


At TOUGH DECKS we only import sustainable sourced A-grade hardwood decking timber.
Garapa  |  Purpleheart  Red Cumaru   |   Stonewood (Angelim Pedra) Kwila  |  Vitex


Been thinking of building that dream deck of yours? Contact us and we'll sort you out.


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