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Save 10% on all items on The RTC Family of Products - Promo Code April-24
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Ardex UI 740 Flexbone Uncoupling Membrane

SKU 24252
by Ardex
Original price $336.34 - Original price $336.34
Original price
$336.34 - $336.34
Current price $336.34

ARDEX UI 740 FLEXBONE: Advanced Uncoupling Membrane for Tile Installations

Explore ARDEX UI 740 FLEXBONE, a high-strength uncoupling membrane with added ventilation channels. Ideal for large tiles in high-traffic areas, it offers superior substrate protection and versatility.


  • New Ventilation Channels: Enhanced feature for superior membrane performance.
  • Single Pass Prefill: Facilitates quick and efficient installation.
  • High Load-Bearing Capacity: Ideal for supporting large format tiles in high-traffic areas.
  • Substrate Movement Neutralization: Protects against damage to tiles and grout joints.
  • Outstanding Shear and Tensile Strength: Independently tested for superior durability.
  • Waterproofing Capability: Suitable for use in wet areas like bathrooms.
  • Versatile Application: Compatible with a range of tile materials, including porcelain and natural stone.
  • Ideal for High Stress Areas: Designed for use in commercial and institutional environments.
  • Compatibility: Can be seamlessly integrated with ARDEX Liquid BackerBoard®.

Size and Coverage Available

1/8″ (3 mm) Uncoupling Mat – 39″ wide x 65.6′ long (1 m wide x 20 m long) roll
Coverage of 215 sq. ft. (20 sq. m) per roll

1/8” (3 mm) Uncoupling Mat – 39” wide x 16.4’ long (1 m wide x 5 m long) roll
Coverage of 54 sq. ft. (5 sq. m) per roll

Warranty: ARDEX L.P. Standard Limited Warranty applies.

More Details

The ARDEX UI 740 FLEXBONE Uncoupling Membrane represents a major leap forward in tile installation technology. Specially designed to meet the challenges of high-traffic environments, this innovative membrane now includes added ventilation channels for enhanced performance. It is particularly well-suited for use with large format tile and stone installations, providing stability and durability where it matters most. The unique bone-shaped pattern with GripLock Technology ensures a strong bond, while its compatibility with various tile types makes it a versatile solution for a wide range of applications. From commercial spaces to high-end residential areas, the ARDEX UI 740 FLEXBONE is the ideal choice for professionals seeking reliability and excellence in their tiling projects.

Questions & Answers

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  • Which tile materials are compatible with the Ardex UI 720 Flexbone membrane?

    The Flexbone Floating Uncoupling Membrane is designed to work with porcelain, ceramic, quarry, and natural stone tiles.