Polyblend Sanded Grout is a polymer-modified, cement based grout that produces hard, dense joints that resist shrinking, cracking and wear. Formulated for durability, Polyblend Sanded Grout accommodates 1/8 inch to 1/2 inch (3 mm to 13 mm) joints for interior or exterior installations. Can be used on all types of installations including floors, countertops, walls, ceilings, showers, fountains and pools.