One-component polyurethane fast dry primer for flooring installations using reaction resin adhesives. This product acts as a primer/surface strengthener on absorbent and non-absorbent surfaces and as a moisture vapor retarder on moisture resistant substrates with an MVER of up to 7 lbs. (ASTM F1869-11) or 90% RH (ASTM F2170-11).
May reduce moisture differences between the sub-floor and wood floor in which the sub-floor does not exceed 20%. Will encapsulate any dust or debris allowing for quicker installation of wood floor and strengthener of the plywood subfloor.