AllSet RS allows you to set tile and grout in 2-3 hours and then open to light foot traffic within the same day. AllSet RS is used as a rapid setting bond coat for setting high lug, absorptive, semi-vitreous and vitreous, brick, cement, ceramic, mosaic, natural stone, porcelain, precast terrazzo and quarry tiles for service in residential and commercial use. It is used in a mortar bed from 3/32 Inch to 3/16 Inch after the tiles have been properly embedded. AllSet RS has excellent water and impact resistance, is water cleanable, non-flammable and good for exterior work.