Bona R590 is a one component silane based primer for priming and/or sealing the residual moisture in cement screeds or concrete (up to 5%CM. /90%RH.) before installing a wooden floor. It can also be used for the reinforcement of weak subfloor surfaces up to a certain level. Coverage: -as a DPM (2 coats) = 16sqm -as a Primer (1 coat) = 32-53sqm Drying time: 4 to 6 hours Application: Bona Trowel 500f for DPM/ Flat trowel for primer.
