Checking coverage under this tile is not an option. Using the right mortar is 257 TITANIUM ™ . Optimal solution for Gauged Porcelain Tile Lightweight 25lb (11.3 kg) no silica sand 60 minute open time www.laticrete.com l 1.800.243.4788 A-8629-1218 ©2018 LATICRETE International, Inc. All trademarks shown are the intellectual properties of their respective owners.