Laticrete 254 PLATINUM™ Plus 0234-0025-22 White Adhesive Mortar 25 lbs - This adhesive mortar is high performing, lightweight and has a thin-bed. It is excellent for most interior, exterior and gauged porcelain tile (GPT/GPTP) applications. The lightweight 25 lb (11.3 kg) bag has coverage of 50 lb (22.7 kg) traditional mortar. It is for use with most substrates, including wet and submerged applications.