Custom Building Products’ general purpose Large Format Tile-LFT Mortar has been formulated specifically for large format tile and natural stone on floors and walls. For use on vitreous, semi-vitreous and absorptive tile, including ceramic, quarry, pavers, cement and porcelain, gauged or ungauged natural stone and pre-cast terrazzo, Large Format Tile- LFT Mortar can be applied up to 3/4” inch thick.