1 x 6 Cumaru Wood One Sided Pre-Grooved Decking

“Achieve a flawless, professional finish with 1 x 6 Cumaru Wood One-Sided Pre-Grooved Decking. Precision-milled from premium-grade Cumaru (Brazilian Walnut), this board features a single pre-grooved edge — perfect for starter and end boards in hidden fastener decking systems. It allows for a clean transition between deck edges while maintaining a seamless, screw-free surface.

Cumaru is one of the world’s hardest and most durable hardwoods, naturally resistant to rot, decay, insects, and moisture. Its rich brown tones, fine grain, and smooth texture provide a luxurious look that complements any outdoor design.

Key Features:

Dimensions: 1″ x 6″ (nominal)

Profile: One-sided pre-grooved edge for hidden fastener systems
Material: 100% genuine Cumaru hardwood (Brazilian Walnut)
Durability: Naturally resists rot, decay, termites, and harsh weather
Finish: Smooth surface; can be oiled for deep color or left to weather to a silver-gray patina
Lifespan: Up to 40–75 years with proper care
Applications: Starter and end boards for decking, borders, stairs, and transitions

Why Choose One-Sided Pre-Grooved Cumaru Decking:
Designed for precision and aesthetics, this profile ensures clean edges and consistent alignment when used with hidden fasteners. Combined with Cumaru’s legendary strength, it delivers premium performance and long-lasting beauty.

1 x 6 Cumaru Wood One-Sided Pre-Grooved Decking — the perfect finishing touch for a seamless, high-end hardwood deck.”