Bona R540 Moisture Barrier

A moisture barrier that works, Bona R540. This product stops vapor transfer on both wood substrates & concrete. For plywood use 1 coat, on concrete use 2 coats. This product is a replacement for the traditional aquabar or tar paper. The Bona R540 works with all Bona adhesives. This sealer is a one component and ensures no waste. To apply, use a roller.

R540 is a great product to mitigate any moisture issues that might have stopped a project from moving forward due to moisture. With moisture blocking up to 95% RH you are sure to be able to start almost any job.

What is the R540 Spread Rate?

• On Plywood – 300-400 sq ft.
• On concrete 400 sq ft
• BOTH ARE Estimates

Bona R540 Moisture Barrier

• Easy to use, roll it
• One component
• blocks up to 20% moisture
• Stops up to 95% RH
• Driest fast
• Replaces paper

TDS – SDS