Bona R540 is a one-component, roll-on moisture membrane specially designed to mitigate vapor transmission on absorbent and non-absorbent subfloors, including Gypsum-based underlayments. The polyurethane reactive primer is compatible with the entire Bona Adhesive System.
Whether it's about designing a floor surface, maintaining a cherished floor, or renovating, Bona offers a complete range of compatible products known as the "Bona System". Revive, Recoat and Refinish any hardwood floor with confidence using the Bona System and any of their professional products for sanding, fastening, finishing and maintaining floors.
|Helps mitigate potential moisture issues, like cupping, originating from below the membrane, in new and existing construction |One coat can be used for damp proofing concrete subfloors up to 95% RH & 18 lbs. |Dries fast allowing nail-down installation immediately |Easy to apply- rolls on |Suited for underfloor heating |Radiant heat systems will have a maximum moisture protection of 6 lbs or 80% RH
