MAPEI Rapid Setting 50 lb Gray Powder Thinset Mortar Energy Star Lighting Classic Roman Profile: 2 panel round top Bathtub Surrounds Classic Roman Profile: 2 panel round top styling complements traditional interiors light gray tones complement any interior design Use Over Exterior Grade Plywood Yes (no additive required) Use Over Concrete Yes Warranty 1 year limited Series Name Rapid Setting Unit of Measure Pound(s) Unit of Measure Quantity 50 Rapid Setting Yes Color Finish Family Gray Freeze Resistant Post Installation Yes Product Type Powder For Use with Garage Walls Yes UNSPSC 30111500 For Use with Shower Walls Yes Manufacturer Color Finish Gray For Use with Vinyl Floors No For Use with Garage Floors Yes For Use with Bathroom Walls Yes Use Over Cement Backer Board Yes CA Residents: Prop 65 Warning(s) Yes For Use with Fireplace Exteriors Yes For Use with Kitchen Counters Yes Use Location Outdoor Type Thinset mortar For Use with Shower Floors Yes Unmodified No For Use with Kitchen Backsplashes Yes For Use with Bathroom Floors Yes Required Additional Components Water For Use with Pools No For Use with Patios Yes Tile Size No sides greater than 15 in 4 and ANSI A118