This is a premium, ready-to-use adhesive that is excellent for setting ceramic, porcelain, natural stone, quarry and mosaic tile on interior floors and walls. It is recommended for wall and floor applications with tile up to 20 inches by 20 inches (508 by 508 mm). The white, nonstaining formula is ideal for light-colored stone and grout. The lightweight composition offers easy troweling, nonslip wall performance, and nonslumping floor performance.