Bona Polyurethane Primer/Moisture Barrier 5L by Ampro Online

Bona R540 is a polyurethane reactive primer that is compatible with the entire Bona Adhesive System. It is specially designed to mitigate vapor transmission on absorbent and non-absorbent floors, including Gypsum-based underlayment. Only one coat needed when used with 1250G or 1500G trowel and any Bona Adhesive. Two coats required in all other installations when the above criteria is not met. 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 with a roller Suited for underfloor heating Radiant heat systems will have a maximum moisture protection of 6 lbs or 80% RH

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Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

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1. Items must be returned within 30 days after the purchase date.
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