ProVa Flex-Heat Membrane 161 sq ft Roll

ProVa Flex-Heat Membrane 161 sq ft Roll by Loxcreen
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The ultimate versatility in tile underlayment has arrived!

  • Can accommodate multiple sizes of heating cables up to 5mm thick
  • Lightweight Uncoupling with Shear Stress Control System
  • True vapor management system
  • 1/4" (6mm) thick membrane
  • Water Impermeable
  • Comes in 161 sq.ft rolls (49.21' roll length)

The ultimate versatility in tile underlayment has arrived! The all new PROVA FLEX-HEAT is the latest and most multi-functional tile underlayment available today. Featuring a deep groove design suitable for multiple thicknesses of heating cables. The exclusive Vapor Management System and Shear Stress Control system provides unsurpassed quality in anti-fracture and uncoupling that is designed to outperform the competition. Step onto a finished tiled floor and rest assured that the warmth and durability of the tile installation will last for years to come.



PROVA FLEX-HEAT can accommodate multiple sizes of heating cables to allow for choice in the desired heating levels for your ceramic floor. The innovative groove design with locking system allows wires up to approximately 5mm thick to lay flush within the membrane while minimizing overall thickness of the tile assembly. No matter which heating cable system you stock, the unique locking system in PROVA FLEX-HEAT will accommodate it.


According to most heating cable manufacturers, 3" (7.6 cm) spacing for cables is ideal as it allows for efficient heat distribution in the tile floor. PROVA FLEX HEAT studs are 1" each and when embedding cables every 3 studs, this provides a 3" (7.6 cm) space.


PROVA FLEX-HEAT uses the same unique technology as PROVA FLEX and PROTEGGA PLUS+ to provide a Control layer between the tile and the substrate. Shear Stress Control one ply-non-woven fleece on the underside of the membrane neutralizes stress caused by multi-directional lateral movement in the substrate which eliminates the cause of cracked tiles. It also offers superior point load distribution and is more resistant to compression during tile installation to support heavy loads.

0.24" (6MM) THICK

PROVA FLEX HEAT is almost twice as thick than our traditional PROVA FLEX and PROTEGGA PLUS. The added thickness of PROVA FLEX HEAT means that it can also be used WITHOUT heating cables as an uncoupling membrane for matching up to higher floors to achieve a level transition.


The polypropylene construction of PROVA FLEX-HEAT protects the substrate from moisture penetration. When properly installed, PROVA FLEX-HEAT provides water seepage protection.


Unlike some other products in the market where moisture has nowhere to go and can lead to mold and mildew, PROVA FLEX-HEAT is better suited for below-grade installations.


Product Specification Sheet
  • Material: Polypropylene
  • Size: 161 sq. ft (15 sq. m)
  • Roll length: 49.21" (15m)
  • Width: 3.28" (1m)
  • Color: Red
  • Thickness: 0.24" (6mm)

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