First Step Primer 1 Gallon

First Step PRIMER is formulated to ensure proper adhesion of flooring to porous substrates. FS400 prevents over-absorption of adhesives to create a uniform finish and can help protect the adhesive and flooring from alkalinity. FS400 PRIMER is a ready-to-use, fast drying formula that provides a better adhesion surface for a professionally finished floor. 2-year shelf life. Lifetime warranty. Made in the USA.