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