A pre-mixed, urethane grout; a water-based grout providing the ultimate in color accuracy, water resistance, and stain / crack protection. This grout contains Bostik's HXD™ Technology resin system, that enables the material to be the highest performance resin system of any pre-mixed grout available—the breakthrough in polymer chemistry enables Bostik grouts to offer unmatched toughness, water and stain resistance. Suitable for interior & exterior installations; from dry to intermittent wet to submerged applications. It can be applied to horizontal ( floor ) grout joint widths from 1/16" to 1/2" and vertical ( wall ) grout joints from 1/16" to 1/4" with no sealing required.