ARDEX X 78 is a high performance, fiber-reinforced, polymer modified floor tile adhesive, which has been specially formulated with Microtec Technology to give exceptional properties of adhesion. When mixed with water, an extremely smooth, creamy, pourable mortar is produced which easily enables full coverage to be achieved on the back of floor tiles. It also has double extended open time and slipping capabilities, making ARDEX X 78 the only choice for heavy, large format floor tiles.

ARDEX X 78 contains Microtec technology which greatly improves the adhesion strength, plus increases the ability of the mortar to withstand stress and shear strain, meaning increased security in the tiling system. It is suitable for use in both internal and external applications, wet areas and is especially suited to high-performance situations with heavy pedestrian traffic e.g. shopping centers. ARDEX X 78 accommodates shrinkage movement associated with early age concrete and screeds. It can be used over concrete that is at least 7 days old and screeds after 16 hours. ARDEX X 78 reduces the chance of efflorescence due to the addition of special additives.

ARDEX X 78 can be modified with the addition of ARDEX E 90 to give improved deformability (S2) and water repellent qualities