Custom Building Products White Dry Tile Grout is a white, nonsanded dry tile grout designed for durability and a hard cure. This Portland cement-based grout is nonshrinking and specifically formulated to grout porous-bodied floor and wall tiles with joints up to 1/8" wide. It is i for use in interior applications such as commercial kitchens, schools, hospitals, residential floors, walls, showers including walls and floors, and countertops. This grout is for soft glazed, high glazed, and marble tiles that could be scratched by sanded grouts, ensuring a smooth and safe finish. Available in various sizes and packaging options, it an 18-month shelf life for convenience and reliability. Model Number: WDG1-6