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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. Bona R590 is compatible with all Bona silane and polyurethane adhesives and as well for Bona levelling compounds. The water- and solvent free product contains no liquid extenders or components that can migrate after curing. The product is preferable to regular epoxy resin systems.
KEY BENEFITS• Hard • Suitable for all Bona silane or polyurethane adhesives • Reinforcement of weak subfloors • Free of warning symbols