Ardex X 77
Ardex X 77 Microtec Fiber Reinforced Tile and Stone Mortar.
This mortar is excellent for vertical veneer stone applications, and can be used in many other ways. It has a true 60-minute open time, with unmatched sag resistance. It is ideal for exterior facades and for high traffic areas. It has a unique creamy consistency, and is extremely easy to apply. It is water and frost resistant. Comes in a 40 pound bag.