Underlayment
Bona R540 Moisture Barrier/Primer

Bona R540 Moisture Barrier/Primer

The Safe Way to Ease Moisture Issues Quickly! Bona R540 Moisture Barrier/Primer is a one-component roll-on moisture membrane specially designed to mitigate vapor transmission on absorbent and non-absorbent subfloors. The polyurethane reactive primer is compatible with the entire Bona Adhesive System. Fi...
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