Bona R540 Moisture Barrier

$188.13

3 in stock

SKU: 540022 Categories: ,

A one-component, roll-on moisture membrane.

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.

Key benefits
  • 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

Additional information

Weight 10 lbs
Dimensions 8 × 5 × 13 in
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