1K silane primer for priming and/or sealing residual moisture in cement screeds or concrete.

Bona R590 is to be used for priming and/or sealing the residual moisture in cement screeds or concrete (up to 5%CM / 90%rH), before the installation of a wood floor. It can also be used for the reinforcement of weak sub-floor surfaces up to a certain level. It is compatible with all Bona silane adhesives, as well as Bona levelling compounds. It contains no liquid extenders or components that can migrate after curing.