Cumaru Species
With the ability to resist everything Mother Nature can throw at it, it’s no wonder Cumaru is the species of choice for the boardwalk industry and other commercial projects where heavy dimensions and large volumes of single lengths is required.
A South American hardwood species recognized for its incredible strength and durability. Iron Woods Cumaru can be used in ground contact without preservatives. In addition to boardwalks and commercial decks, Cumaru is trusted for use in bridge construction, site furniture, and heavy timber construction.
FEATURES & BENEFITS
Why Choose Cumaru?
NATURALLY DURABLE
Iron Woods Cumaru resists decay, termites, and borers, pretty much anything you can throw at it.
LOW MAINTENANCE
Cumaru naturally weathers to light silvery gray tones—no need to apply annual sealers. Regular cleaning and refinishing with exotic hardwood oil can maintain or restore its natural color.
UNPARALLELED BEAUTY
Weather naturally to an attractive silver grey or maintain the natural rich brown color by cleaning and refinishing. Or both. Your choice.
STANDS UP TO THE ELEMENTS
Iron Woods® Cumaru stands up to the elements year-round – from heat and humidity to salt water spray and brutal winters.
PREMIUM GRADE
100% Heartwood. 100% clear. No visible defects. Grading on all faces and edges allows for any face selection you choose.
SOURCING CERTAINTY
Green by Nature, our complete supply chain traceability system provides sourcing certainty all the way up our supply chain, from the forest to you.
NATURALLY DURABLE
Iron Woods Cumaru resists decay, termites, and borers, pretty much anything you can throw at it.
LOW MAINTENANCE
Cumaru naturally weathers to light silvery gray tones—no need to apply annual sealers. Regular cleaning and refinishing with exotic hardwood oil can maintain or restore its natural color.
UNPARALLELED BEAUTY
Weather naturally to an attractive silver grey or maintain the natural rich brown color by cleaning and refinishing. Or both. Your choice.
STANDS UP TO THE ELEMENTS
Iron Woods® Cumaru stands up to the elements year-round – from heat and humidity to salt water spray and brutal winters.
PREMIUM GRADE
100% Heartwood. 100% clear. No visible defects. Grading on all faces and edges allows for any face selection you choose.
SOURCING CERTAINTY
Green by Nature, our complete supply chain traceability system provides sourcing certainty all the way up our supply chain, from the forest to you.
FEATURES
Why Choose Cumaru?
NATURALLY DURABLE
Iron Woods Cumaru resists decay, termites, and borers, pretty much anything you can throw at it.
LOW MAINTENANCE
Cumaru naturally weathers to light silvery gray tones—no need to apply annual sealers. Regular cleaning and refinishing with exotic hardwood oil can maintain or restore its natural color.
UNPARALLELED BEAUTY
Weather naturally to an attractive silver grey or maintain the natural rich brown color by cleaning and refinishing. Or both. Your choice.
STANDS UP TO THE ELEMENTS
Iron Woods® Cumaru stands up to the elements year-round – from heat and humidity to salt water spray and brutal winters.
PREMIUM GRADE
100% Heartwood. 100% clear. No visible defects. Grading on all faces and edges allows for any face selection you choose.
SOURCING CERTAINTY
Green by Nature, our complete supply chain traceability system provides sourcing certainty all the way up our supply chain, from the forest to you.
NATURALLY DURABLE
Iron Woods Cumaru resists decay, termites, and borers, pretty much anything you can throw at it.
LOW MAINTENANCE
Cumaru naturally weathers to light silvery gray tones—no need to apply annual sealers. Regular cleaning and refinishing with exotic hardwood oil can maintain or restore its natural color.
UNPARALLELED BEAUTY
Weather naturally to an attractive silver grey or maintain the natural rich brown color by cleaning and refinishing. Or both. Your choice.
STANDS UP TO THE ELEMENTS
Iron Woods® Cumaru stands up to the elements year-round – from heat and humidity to salt water spray and brutal winters.
PREMIUM GRADE
100% Heartwood. 100% clear. No visible defects. Grading on all faces and edges allows for any face selection you choose.
SOURCING CERTAINTY
Green by Nature, our complete supply chain traceability system provides sourcing certainty all the way up our supply chain, from the forest to you.
Heavy dimensions. Large volumes.
Specifications
From grading and drying to color and finishing. Here’s what you need to know about Cumaru.
Premium Grade
- 100% HEARTWOOD
- 100% CLEAR, no visible defects
- Graded on all faces and edges to allow for desired face selection
Drying
- KD – All products nominal 1″ and 5/4″ thick are kiln dried and pre-stabilized
- Kiln dried decking is superior in appearance, stability, surface quality and finish penetration
- AD – Products 4″ and thicker are air dried
Color
- Rich, light to dark natural walnut brown color range that speaks to the beauty of real wood
Grain
- Mixed medium to slightly coarse grain
Finishing
- Regular cleaning brightening and refinishing with exotic hardwood oil to maintain or restore its natural color
Uses
- Exterior architectural millwork, decking, porch flooring, cladding, rail, posts, timbers, trim, pergolas, furniture
Specifications
From grading and drying to color and finishing. Here’s what you need to know about Cumaru.
Premium Grade
- 100% HEARTWOOD
- 100% CLEAR, no visible defects
- Graded on all faces and edges to allow for desired face selection
Drying
- KD – All products nominal 1″ and 5/4″ thick are kiln dried and pre-stabilized
- Kiln dried decking is superior in appearance, stability, surface quality and finish penetration
- AD – Products 4″ and thicker are air dried
Color
- Rich, light to dark natural walnut brown color range that speaks to the beauty of real wood
Grain
- Mixed medium to slightly coarse grain
Finishing
- Regular cleaning brightening and refinishing with exotic hardwood oil to maintain or restore its natural color
Uses
- Exterior architectural millwork, decking, porch flooring, cladding, rail, posts, timbers, trim, pergolas, furniture
Need to Know
Product Availability
Product availability rough sawn full or nominal dimensions S4S or S4S E4E in the following dimensions:
| NOMINAL SIZE | LENGTHS | LENGTHS |
|---|---|---|
| 1" X 6" – 5"/4" X 6" | KD Decking | 8'-20' |
| 2" x 4" – 2" x 6" | AD Dimensional Lumber | 8'-20' |
| 3" x 6" – 3" X 12" | AD Timbers | 8'-20' |
| 4" x 4" – 4" x 12" | AD Timbers | 8'-20' |
| 6" x 6" – 6" x 12" | AD Timbers | 8'-20' |
| 8" x 8" – 8" x 12" | AD Timbers | 8'-20' |
| 10" x 10" – 10" x 12" | AD Timbers | 8'-20' |
| 12” x 12” | AD Timbers | 8'-20' |
Note: Cumaru is a non-stock item. Get in touch with us for availability.
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Your next project begins with Iron Woods. Let’s get started.
Tell us what you’re looking for.