Custom Building Products Natural Stone and Large Tile 50 lbs. White Premium MortarHigh bond strength Sag and slip resistant immediately holds wall tiles in place Supports large and heavy tile for flat, even floor installations Reduces installation time and labor by eliminating lippage and minimizes the need for additional leveling Exceeds ANSI A118. 4 and A118. 11 standards without the need for additives California residents Features Returnable 180 Day Flooring Product Type Flooring Powder Mortar Product type Large format tile