MAPEI Large Tile and Stone 50 lb White Powder Thinset Medium Bed Mortar Entryway furniture White tipped hammer actuation prevents marking White tipped hammer actuation prevents marking on floors or walls this shower enclosure is sure to be a favorite for the long haul 11 bond strength requirements Polymer modified mortar Use Over Exterior Grade Plywood Yes (no additive required) Use Over Concrete Yes Warranty 1 year limited Series Name Large Tile and Stone Unit of Measure Pound(s) Unit of Measure Quantity 50 Rapid Setting No Color Finish Family White Freeze Resistant Post Installation Yes Product Type Powder For Use with Garage Walls Yes For Use with Pools Yes UNSPSC 30111500 For Use with Shower Walls Yes Maximum Coverage Area (Sq