Cumaru 5/4x6 Lumber
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We typically ship in about 10 days or less. Order online and we confirm your pickup or delivery date.
Cumaru 5/4x6 Premium & Btr Pre-Grooved
Premium & Btr · Pre-Grooved
Cumaru is an exceptionally dense and durable tropical hardwood, offering superior resistance to rot, insects, and decay for long-lasting outdoor projects. Its rich, reddish-brown tones and fine grain create a stunning, high-end aesthetic ideal for decking, siding, and other exterior applications where longevity and beauty are paramount. This pre-grooved profile simplifies installation, ensuring a clean, fastener-free surface.
Estimate coverage:
Tell us how many linear feet you need and we'll suggest a board mix from lengths in the yard.
What are linear feet? →
Uncheck to select individual board lengths instead.
Tell us how many linear feet you need and we'll suggest a board mix from lengths in the yard.
What are linear feet? →
Uncheck to select individual board lengths instead.
Request a Custom Grade or Profile
Don't see the exact grade, profile, or specification? Add your request to My Quote and we'll include it in your pricing.
Custom Request
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Other product sizes in the catalog. Request current availability.
