50 lb premium, polymer-modified dry-set mortar. Designed for thin-set or medium bed application up to “. Tiles measuring 15” or larger on one or more sides made of natural stone, ceramic, quarry, cement body, clay pavers, brick, stone veneer, or cement-based precast terrazzo. Non-slumping formula immediately holds tiles reducing installation time by eliminating lippage and minimizing the need for additional leveling. Exceeds ANSI A118.4 & A118.11 standards without the need for additives. Formerly known as Marble, Granite, & Travertine Premium Mortar.