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Warmup Uncoupling Membrane MW Underfloor Heat Membrane - Roll



Warmup Uncoupling membrane Underfloor Heating Membrane - Roll 150 sq ft

The DCM-PRO Fleece-backed Membrane features a fleece backing which can be used with any thinset to create a strong connection between the subfloor and the Membrane. The TCNA-tested Membrane can be installed on wood and cement subfloors or Insulation Boards. It provides a quick and easy installation when used as part of the DCM-PRO Uncoupling System.

For fast, easy installation of wire electric floor heating

For use with any other underfloor heating Cables

Warmup uncoupling membranes provide the ultimate protection of your tiles and underfloor radiant heating system from damage caused by moisture or water vapor and floor movement.

The TCNA-tested DCM-PRO Membrane can be installed directly onto clean plywood and concrete subfloors without thinset. The patented DCM-PRO design allows for more adhesive to cable contact ultimately distributing heat faster and more evenly. There is no waiting required after installation so you can begin laying the flooring immediately. The DCM-PRO Membrane is ready to tile.

The DCM-PRO Membrane has been successfully tested to ANSI 118.12 standards and performed well on the Robinson test (ASTM C-627). It is the highest-rated membrane for floor heating systems and the first of its kind to adhere without the use of thinset.

The Warmup DCM-PRO HEAT Membrane can be installed over the entire subfloor as an uncoupling, crack isolating and waterproofing membrane.


  • Under 6mm – 1/4” thick
  • Rated as Anti-Fracture membrane as tested by the TCNA against ASTM 118-12
  • Installs with regular or modified thinsets
  • Ready to tile over
  • Use any adhesives or SLU’s on top for flooring installations
  • Highest heating outputs with DCM-PRO Cable
  • Lowest running costs with 1/4” Warmup Insulation Boards (WSC-0725)
  • Smart operation with 4iE-04 Smart WiFi Thermostat (WSC-0926)
  • Durable, lightweight uncoupling with sheer stress control


The DCM-PRO Membrane can be installed using modifed thin set over plywood and concrete subfloors. Warmup DCM-PRO Cable can be installed at 3 or 4 pegs to achieve the desired heat output.

For OSB subfloors or other uneven subfloors, a primer may be required to improve bonding. Always follow installation instructions and shop-vac/wet-mop the subfloor for effective bonding.

Water-resistant and highly durable, Warm-up DCM-PRO is designed to work most effectively with Radiant floor heating cables.

Spacing can be adjusted to match floor and room heating needs.

Warmup DCM-PRO Heat Membrane unique design allows for:

  • Flexible heating zone selection
  • Cost and time saving installation
  • Waterproofing
  • Uncoupling crack isolation
  • Vapor management
  • Support load distribution


When installed according to the installation manual, the DCM-PRO System (DCM-PRO Cable + DCM-PRO Membrane) is covered by Warmup’s 30-year manufacturer warranty.

Warmup DCM-PRO Installation Manual

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