Ardex UI 740 Flexbone Uncoupling Membrane

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