MAPEI Large Format Floor Tile 50 lb Gray Powder Thinset Medium Bed Mortar Plumbing Tools & Cements 8D Size: 2 1 2 in Hex Shank 8D Size: 2 1 2 in Its gleaming polished chrome finish and compact Use Over Exterior Grade Plywood Yes (requires additive) Use Over Concrete Yes Warranty 1 year limited Series Name Large Format Floor Tile Unit of Measure Pound(s) Unit of Measure Quantity 50 Rapid Setting No Color Finish Family Gray Freeze Resistant Post Installation No For Use with Garage Walls No For Use with Shower Walls No Product Type Powder Use Over Cement Backer Board No UNSPSC 30111500 Manufacturer Color Finish Gray Tile Size Any side greater than 15 in For Use with Vinyl Floors No Required Additional Components None required CA Residents: Prop 65 Warning(s) Yes Type Thinset Medium bed Use Location Outdoor For Use with Shower Floors Yes Unmodified No For Use with Kitchen Counters No For Use with Bathroom Floors Yes For Use with Bathroom Walls No For Use with Pools No For Use with Patios Yes For Use with Fireplace Exteriors No For Use with Garage Floors No For Use with Kitchen Backsplashes No porcelain and natural stone tiles with one or more sides greater than 15 in Non slump formula allows for easier medium bed installation (up to 3 4 in thick) of large floor tiles For use on floors only Polymer modified mortar