Mohawk M640 PSA is a low odor acrylic adhesive with aggressive tack designed for the installation of residential Mohawk Sheet Vinyl, Mohawk Luxury Vinyl Tile (LVT) and residential Mohawk Luxury Vinyl Plank (LVP). M640 PSA is non-staining and contains MicroSeptTM Antimicrobial System Protection for enhanced resistance to mold and mildew. When used with Mohawk Sheet Vinyl, LVT & LVP, M640 PSA provides a tenacious, permanent bond. May be installed on concrete above, on or below grade in the absence of moisture and alkali, over steel, and APA approved plywood and underlayment-grade hardboard.