Premium Brazilian hardwood for decking, cladding, rainscreen, and architectural applications.
Sample Note:
Samples typically receive a light oil coat on the top face only (Messmer’s UV Plus — Natural). Full material orders are shipped unfinished. Oiling is optional and does not impact performance or longevity.
Supplied by Brazilian Wood Depot · Turnkey Project Supplies · Nationwide Shipping · 20+ Years Experience
Cumaru is a dense South American hardwood valued for its strength, durability, and rich natural color variation. It’s a reliable choice for exterior applications where long-term performance, stability, and visual warmth are essential.
Common Uses
Decking, tongue-and-groove cladding, rainscreen assemblies, soffits, and exterior trim. Commonly specified for residential builds and high-traffic commercial environments.
Appearance & Grade
Select to premium appearance with tight grain and limited natural defects. Color ranges from deep red and warm medium browns to lighter browns and tan tones, creating a varied yet refined look that matures evenly with exposure.
Available Profiles
1×6 decking, 5/4×6 decking, tongue-and-groove, smooth, E4E, and grooved profiles. Custom milling available to meet architectural and design requirements.
Durability & Performance
Highly resistant to rot, decay, insects, and moisture. Cumaru’s density and natural oils make it well-suited for demanding outdoor conditions without the need for chemical preservatives.
Origin
Harvested from managed forests in South America, primarily Brazil, with sourcing focused on consistency, reliability, and responsible forestry practices.
Brazilian Wood Depot specializes exclusively in premium Brazilian hardwoods. Our focus is on material accuracy, long-term performance, and clear guidance from specification through installation.
Species-Specific Expertise
We don’t treat hardwoods as interchangeable. Each species is sourced, processed, and supported based on its real-world performance characteristics and intended use.
Complete Installation Systems
We provide access to premium, application-appropriate fasteners, plugs, end sealers, waxes, oils, and installation accessories selected specifically for dense Brazilian hardwoods — helping ensure proper installation and long-term results.
Reliable Inventory & Profiles
We stock commonly specified profiles across our core species to support continuity from selection through full project execution.
Robust Shipping & Protection
Material is professionally packaged and shipped using proven methods designed to protect quality in transit, backed by a damage-free delivery guarantee.
Straightforward Support
Clear communication, accurate information, and practical guidance throughout the process.
Helpful Design and Industry Articles
Instructional & Demonstrations on YouTube
Multimedia Courses & Resources:
Decking Wizard – An interactive decision tool that matches Brazilian hardwood species, profiles, and fastening methods to real-world deck conditions — removing guesswork before materials are selected.
IPEcertified – A comprehensive educational course that teaches how Ipe and Brazilian hardwoods perform, how to install them correctly, and how to match species and systems to real-world conditions — for professionals and serious homeowners alike.
SUSTAINABILITYcertified – An interactive sustainability guide that explains how Ipe and Brazilian hardwoods are legally sourced, environmentally regulated, and responsibly harvested — translating complex global data into clear, confidence-building insight.
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