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)

X 4

  •  80 sq.ft.

Proud Affiliates:


Corporate Office


13735 Lakefront Drive

Earth City, MO 63045



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