The ideal everyday tile and stone mortar delivering performance and value. An easy to mix and apply, polymer-modified mortar with good sag resistance and strength for use with porcelain, ceramic, quarry, mosaics and most natural stone tile over common interior surfaces, as well as horizontal exterior installations of porcelain tile over concrete or masonry surfaces. ARDEX X 4 is recommended for most common tile sizes.
 
Interior and exterior use
Working time: 15 to 20 minutes
Open time: 10 to 15 minutes; Pot life: 3 hours
40lb. (18 kg) bags, Gray and White
Coverage: 80 sq.ft. (7.4 m²)