1×4 Cumaru Subrail – Used Beneath Handrails to Incorporate Balusters

Enhance the strength and elegance of your railing system with our 1 x 4 Cumaru Subrail – used beneath Handrails to incorporate Balusters. Crafted from premium-grade Cumaru hardwood, this subrail is designed to be installed beneath handrails to securely incorporate balusters, ensuring both structural integrity and a refined finish.

Cumaru is renowned for its exceptional durability, density, and resistance to rot, insects, and weathering — making it ideal for outdoor decks, stairways, and railings. Its rich, deep brown color and fine grain add a touch of natural beauty that complements any handrail design.

Key Features:

Dimensions: 1″ x 4″ (nominal)
Material: 100% genuine Cumaru hardwood
Use: Installed beneath handrails to support and align balusters
Durability: Naturally resistant to decay, insects, and moisture
Finish: Smooth surface, ready for oiling or left to weather to a silvery patina
Applications: Deck railings, porch railings, stairs, and exterior architectural projects

Built for longevity and sophistication, the 1 x 4 Cumaru Subrail is the perfect choice for builders and homeowners seeking premium quality and timeless performance.