Information ARDEX X 5™ is a highly versatile, polymer-modified, large format and heavy tile and stone mortar for setting porcelain, quarry, ceramic and most natural stone* tile over common interior surfaces, including exterior-grade plywood, as well as exterior concrete and masonry surfaces. Key Features Ideal for large format and heavy tile and stone applications up to 3/4″ sq. notch trowel Use for setting porcelain, quarry, ceramic and most natural stone tile Excellent sag resistance Very creamy, easy to apply 3-hour pot life Interior and exterior use; water and frost resistant
