One coat application seals and protects. Specially designed for natural stone surfaces, porous tile, concrete and grout. Water-based formula, Superior protection against stains. Easily applied by spray, pad, roller or brush. Doesn"t change appearance of stone or tile. 20 year satisfaction guarantee. Ideal to use on natural stone, porous tiles, concrete and grout. Scotchgard(TM) is the No. 1 recognized brand of protector for carpet, sofas, chairs and clothing.