Bostik Ditra-Set Mortar / Thinset - Full 48 Piece Pallet Ditra-Set is a Portland cement mortar designed to install Schluter-Ditra and Schulter-Kerdi uncoupling and waterproofing membranes and a thin set for large-format porcelain tiles over uncoupling membranes. It provides superior workability, durability, and leveling characteristics, allowing for a stronger bond in interior and exterior applications. Features Pallet quantity of 48 bags of 50 lbs. mortar and thin set It can be used as a mortar over plywood, drywall, cement backer board, concrete, masonry, Schluter-Ditra, and Schluter-Kerdi It can be used to set stone, porcelain, and ceramic tile It comprised of proprietary chemicals, carefully graded aggregates, and purified cement Exceeds ANSI A118.1 when mixed with water Apply with a V or square-notched trowel