High-performance, polyurethane construction adhesive with superior bond strength to most construction materials, especially concrete and masonry. Seals out radon gas. Permanently elastic, remains flexible to allow for minor movement in building materials offering superior durability. Can be used as a spread, as a bead, or for spot bonding. Fast tack-free time, 1 to 2 hours, for fast strength build-up. Paintable, sandable, and stainable. One 10.1 oz. cartridge yields 24 linear feet of adhesive in a 1/4" bead. Fresh adhesive clean up immediately. Old adhesive clean up with paint thinner or other approved solvent. Color: Gray.