91 Slate Gray Ready-To-Use GroutLaticrete 91 Slate Gray Ready To Use Grout provides a professional and durable solution for your grouting needs. This high quality grout is easy to use and maintains its color for years to come. With its reliable performance, your tiled surfaces will have a sleek, polished finish. Category Details DIMENSIONS Size 1 gal Product Length (inches) 8. 50 Product Width (inches) 8. 50 Item Weight (lbs) 14 Maximum Coverage Area (in sqft.) 210 sqft. DETAILS