170x65 Merbau Laminated GL17S Structural Beam

Deliver reliable strength with a warm, premium look. This 170x65 Merbau laminated beam is built to handle long-span, high-load projects while maintaining stability and durability.

Designed to GL17S standards, it delivers dependable performance for interior and exterior use—from decking beams and roof structures to lintels and pergolas. The rich reddish-brown Merbau finish adds a refined aesthetic that ages gracefully.

Key benefits

• Structural strength with GL17S rating for high-load applications
• Class 1 durability against rot, termites, and weather
• Excellent dimensional stability to minimize warping and shrinking
• Aesthetic reddish-brown appearance suitable for exposed beams
• Available in multiple lengths up to 6.0m for versatile design

For best results, seal the beam with a protective oil or paint to maintain colour and protect against UV exposure. Ensure the timber is dry before installation to minimize tannin leaching.

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