Ardex Flexbone Uncoupling Membrane - Faster Installs, Stronger Floors, Better Protection ARDEX UI 740™ FLEXBONE® Uncoupling Membrane is a high load-bearing uncoupling membrane ideal for large format tile in high traffic areas. The unique bone-shaped pattern with GripLock Technology delivers outstanding tensile bond strength. The system helps neutralize underlying substrate movement and supports and distributes heavy loads from above. Special high-performance felt helps provide vapor equalization. ARDEX UI 740 FLEXBONE can be used as a waterproof layer in bathrooms and wet areas. Key Features PRODUCT ENHANCEMENT: Now with added ventilation channels Prefill with just one pass 3mm thickness (1/8") Easy to handle 39" x 65'5" roll size (215 sq. feet) High load-bearing uncoupling membrane Ideal for large format tile and stone in heavy traffic areas For use with porcelain, ceramic, quarry and natural stone tiles Helps prevent grout joint and tile damage from substrate movement Higher shear and tensile bond strengths than comparable uncoupling membranes Suitable as a waterproofing membrane For use in high stress areas, such as shopping malls, airports, office buildings, hospitals, etc. For use over wooden or concrete substrates Can be prefilled with ARDEX Liquid BackerBoard® Self-Leveling Underlayment
