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Cumaru 5/4x6

$3.29

CUMARU HARDWOOD IS ONE OF THE BEST SPECIES IN THE WORLD

Cumaru Tropical Hardwood (pronounced Ku-mah-rue), also known as Brazilian Teak, is one of the densest woods available for outdoor construction, second only to Ipe. It is very dense, which is why it is ideal for exterior use, as it is mildew and decay-resistant.  

In addition, Cumaru Hardwood (5/4×6) has often used for decking, flooring, railroad ties, and other purposes. Just like Ipe, Cumaru has an A1 fire rating, does not scratch or splinter easily, does not become hot in the sun, and has a high friction coefficient. This makes it perfect for outdoor and seaside construction.

CUMARU HARDWOOD (5/4×6) BEST CHARACTERISTICS

  • Hardness
  • Rot-resistant
  • Durability
  • Environmentally Friendly
  •  Preserves its natural beauty

At Brazilian Lumber, we also offer other hardwood species, all the hardware you need for the installation process, artificial turf & ivy, and interior flooring. Please let us know if you need help locating the instructions or return policies, and we will readily assist you.

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Categories: Best Selling, Cumaru Wood, New Products, Tropical Hardwood

Tags: 5/4x6, Best prices, Building, Carpentry, Cheapest material, Cladding, Cool surface, Cumaru, Deck, Decking, Decking materials, Dock, Exotic hardwood, Exterior, Fence, Forest stewardsip council certified, Green options, Hardwood, Legally harvested wood, Low maintenance materials, Lumber, No cracks, No splinters, Outdoor, Red colored wood, Remodeling, Sustainable tropical wood, Timber, Tropical wood, Wood work

Cumaru 5/4x6

$3.29
  • Description
  • Returns/ Refunds

LET’S GET YOUR THE BEST DEAL.

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877-606-3306

CUMARU HARDWOOD SPECIFICATIONS

Cumaru (pronounced Ku-mah-rue) also known as Brazilian Teak is one of the densest hardwoods available for outdoor construction, second only to ipe.  It is very dense, which is why it is ideal for exterior use as it is mildew and decay resistant.  It is often used for decking, flooring, railroad ties as well as other purposes. Just like ipe, cumaru has a A1 fire rating, does not scratch or splinter easily, it does not become hot in the sun, and has a high friction coefficient, making it perfect for outdoor and seaside construction.

Species: Dipteryx odorata

Other Names: Almendrillo, Amburana, Brazilian Teak, Cumaru Rosa, Imburana de Cheiro, Tonka, Tonka Bean, Tonquin Bean cumaru decking for building, kumaru, Gaiac de Cayenne, Amendrillo, ebo, Shihuahuaco Amarillo, Charapilla, Sarrapia

Cumaru Origin: Central and South America (Brazil, Colombia,Peru, Bolivia, Costa Rica, Guyana, Honduras, Jamaica, Mexico, Panama, Venezuela)

Appearance: Cumaru hardwood (5/4×6) is a deep reddish brown color with a tight, even grain. Over time the red cumaru color will slightly fade to a light brown. The species has an irregular, slightly interlocked grain and is coarse and wavy in texture.

Tree Size: 130-160 ft (40-50 m) tall, 3-5 ft (1-1.5 m) trunk diameter

Average Dried Weight: 68 lbs/ft3 (1,085 kg/m3)

Specific Gravity (Basic, 12% MC): .86, 1.09

Janka Hardness: 3,330 lbf (14,800 N)

Modulus of Rupture: 25,390 lbf/in2 (175.1 MPa)

Elastic Modulus: 3,237,000 lbf/in2 (22.33 GPa)

Crushing Strength: 13,850 lbf/in2 (95.5 MPa)

Shrinkage: Radial: 5.3%, Tangential: 7.7%, Volumetric: 12.6%, T/R Ratio: 1.5

Drying: Cumaru hardwood is very unstable when used in dry climates and it is prone to shrinkage. It is naturally seasoned, and kiln dried as to prevent shrinkage.

Workability: Cumaru hardwood is difficult to saw and bore and has a high blunting effect on tools. Cumaru cannot be glued because of its high density and oily nature.  Instead it should be nails and screws should be used well after pre-boring the boards. The dust arising from working Cumaru wood flooring has been known to cause a slight allergic reaction on contact with skin for some people, and as such some care should be taken in installing and preparing this product.

Preservation: Cumaru hardwood naturally weathers to a beautiful, silver-gray patina. To maintain this rich tone, a deck oil with UV inhibitor or sealers are good options.

Sustainable: The Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) does not list Cumaru in its appendices. The Forest Legality Initiative also states that cumaru can be exported and traded internationally. International Union for Conservation of Nature’s Red List of Threatened Species (IUCN) does not list cumaru as an endangered species.  Brazilian Lumber, LLC meets high standards for social, economic and environmental responsibility.  We monitor and document chain of custody of all our hardwood, we are Lacey Act compliant, IBAMA compliant and provide certified options.  This means that purchasing from us, fuels the hardwood lumber economy in South American forests, and by providing well paying jobs for many people in turn means the industry values its conservation and preservation.

ADVANTAGES OF USING CUMARU HARDWOOD YOUR OUTDOOR PROJECTS

  • Strong and Durable
  • Low Maintenance
  • Natural Look
  • Long Life Span
  • Sustainably Sourced
  • Boosts your Property Value
  • Lower price-point than ipe

Please call us for the latest prices.  We would be glad to confirm your order and to make payment arrangements.  Orders can be shipped direct to your home or jobsite.  Please phone or email if you have freight questions. Call for pricing and availability. 1-877-606-3306

A 25% restocking fee will be applied. No returns are accepted on glue, oils, or any adhesive products. No refunds or returns on special orders or open boxes will be accepted. Freight on returns will be at the Client’s expense. Returns or exchanges on Hardwoods must be done within 15 days.


Brazilian Lumber provides no guarantee, expressed or implied, as to the accuracy, completeness, or quality of the information received from Builders, installers, or their employees or subcontractors. Brazilian Lumber will not be liable for any errors or omissions caused as a result of, contained in, or found within the information received from builders, installers, or their employees or subcontractors and does not accept any liability due to any claim, loss, expense, damage or cost, direct or indirect, that may be incurred as a result of any reliance placed upon it.

The builders’ or installers’ responsibility is to check all quantities, quality and/or product suitability for the specific project on terms.


Brazilian Lumber does not permit returns on inventory products or custom-ordered, custom-milled items. No returns are accepted on leftover materials. Should a return be approved by Brazilian Lumber, it must be done in writing and with the proper paperwork. No merchandise will be accepted after 30 days of invoicing. Should an order be approved for return, the return must reflect the lengths and dimensions of the lumber sold, especially for random length orders. All returns must be fully undamaged and adequately packaged. All items must be inspected before a refund or credit is issued. All returns are subject to a restocking fee of 25%. Refunds and returns will also not be issued if outstanding bills or monies are due to Brazilian. Brazilian Lumber is not responsible for any shipping and unloading fees incurred to make a return according to terms.


Unauthorized Returns: If a return is made without previous authorization, Brazilian Lumber reserves the right and term to refuse the merchandise, and the client will be held responsible for any shipping, unloading, and storage or disposal fees. 

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