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Brazilian Teak (Red Cumaru) Decking

Timber Qualities

Brazilian Teak (Red Cumaru) decking timber is an extremely hard, tropical hardwood, with interlocking grain which makes it naturally resistant towards rot and decay. It is the perfect wood for long-life exterior projects such as decks, benches and bridges. The reddish-brown hue of Red Cumaru decking timber can be easily maintained or left to weather into a beautiful, silver-gray colour.

Original Colour: Light Brown to Reddish Brown
Texture: Medium texture, interlocked grain with moderate shine
Density (Dry):  1100kg/m3
Length Spread: 1.8 - 6m
Dried: Kiln
Janka Hardness: 14.8(kN)
Expansion/Contraction:  3.0%
Tannin Bleed:
Standard Sizes: Smooth-100/21
Life expectancy: 30+ years
Durability Class: Class 1. Very Durable
Screws: 316 Stainless Steel

FAQ on Red Cumaru

Red Cumaru, also known as Brazilian Teak, is a beautiful and durable wood with a rich reddish-brown colour that adds warmth and elegance to any space. In this section, we've compiled the most frequently asked questions about Red Cumaru decking, covering its characteristics, benefits, maintenance, environmental considerations, and more.

What is Red Cumaru hardwood decking timber and where does it come from?

Red Cumaru, also known as Brazilian Teak, is a type of hardwood decking timber sourced from the Dipteryx odorata tree, native to South America. It is prized for its rich reddish-brown colour, distinctive grain patterns, and exceptional durability, making it a popular choice for outdoor decking projects.

What are the benefits of using Red Cumaru hardwood for decking?

Red Cumaru decking offers numerous benefits. It is highly resistant to rot, decay, termites, and other insects, making it ideal for outdoor use. The wood's natural oils provide added protection against moisture, which contributes to its longevity. Additionally, Red Cumaru's striking colour and unique grain patterns lend a sophisticated and timeless appeal to any deck.

How does Red Cumaru compare to other hardwoods commonly used for decking?

Compared to other hardwoods, Red Cumaru is often more budget-friendly while offering similar durability and attractiveness. It has excellent weather resistance and is less prone to splintering, making it a comfortable and safe surface for bare feet.

Is Red Cumaru( Brazilian Teak) hardwood decking easy to maintain?

Yes, Red Cumaru decking is relatively low-maintenance. Regular sweeping to remove debris and occasional cleaning with mild soap and water are usually sufficient to keep the deck looking its best. Applying a UV protectant finish can help retain its rich colour, but it can also be left untreated to weather to a silvery patina over time.

Is Red Cumaru decking an environmentally sustainable choice?

Red Cumaru hardwood is considered to be a sustainable option for decking. Ours is often sourced from responsibly managed forests, and due to its durability, it has a long lifespan, reducing the need for frequent replacement.

How does Red Cumaru hardwood decking perform in different weather conditions?

Red Cumaru is highly resilient in various weather conditions. Its natural oils and density allow it to withstand extreme temperatures, heavy rain, and even direct sun exposure without warping or cracking. This durability makes it suitable for both hot and humid climates, as well as colder regions.

Can Red Cumaru decking be installed using standard deck-building practices?

Yes, Red Cumaru decking can be installed using standard deck-building practices. It can be cut and fastened using traditional woodworking tools and stainless steel screws or nails. However, like other hardwoods, pre-drilling may be necessary to prevent splitting when fastening.

How does Red Cumaru hardwood decking age and change over time?

Red Cumaru decking ages gracefully, and its colour will gradually deepen and mellow as it is exposed to sunlight and weather. If left untreated, it will develop a beautiful silver-gray patina. However, if you prefer to maintain the original reddish-brown color, occasional applications of a UV protectant finish can help preserve it.

Is Red Cumaru decking suitable for saltwater environments?

Yes, Red Cumaru hardwood is naturally resistant to saltwater and is well-suited for use in coastal regions or areas with high salt content in the air. Its inherent durability and resistance to decay make it an excellent choice for saltwater environments.

What are the typical dimensions and profiles available for Red Cumaru hardwood decking boards?

Red Cumaru decking boards are commonly available in various dimensions, at Tough Decks we have Smooth-100/21.


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


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