DCM-PRO Uncoupling System
The DCM-PRO Uncoupling System for electric underfloor heating combines the Heating Cable and the anti-fracture Membrane, available in fleece-backed or peel-and-stick options. It is the only UL-approved Membrane System in North America.
Ceramic & Stone
Slab & Concrete
3/4” plywood subfloors on joists
Innovative Technology Protects Floor Tiles from Cracking
The DCM-PRO Uncoupling System is the latest development in electric underfloor heating by Warmup.
Due to load-bearing weight and structural subfloor movement, floor finishes can get damaged and tiles are especially prone to cracking. The DCM-PRO Membrane’s innovative uncoupling design results in significant protection for tiled flooring by creating a new layer between the subfloor and the floor finish.
The 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.
The Membrane is available in two options, fleece-backed or peel-and-stick, offering great versatility for your installation preference. Both membranes can be used with the DCM-PRO Heating Cable for efficient underfloor heating.
~New Design based on installer feedback~
Improved pattern to offer a better heat spread
How Does Uncoupling Technology Work?
Small movements in structural subfloors caused by seasonal temperature variations can result in damage to your flooring. The DCM-PRO Membrane utilizes uncoupling technology so that the floor heater moves with these structural shifts, preventing and protecting your floor finish from damage caused by this movement.
Patent pending adhesive layer slides and stretches with expansion.
Adhesive layer contracts and self-heals if gap shrinks due to seasonal changes.
Protects floor surface from damage caused by subfloor movement.
No tools required to fit the cable
Highest heating outputs
Lowest consumption cost with 1/4” Warmup Insulation Boards
Ready to tile
Highest efficiency with Warmup 4iE Smart WiFi thermostat
Two Membrane Options Available
The DCM-PRO membrane is suitable for use with all floor types. Its unique castellations are carefully designed to hold the DCM-PRO Heating Cable firmly in place and without the use of any tools. The patented design allows for generous cable-to-thinset contact ultimately heating faster and more evenly.
The Membrane is available in two options; the Fleece-backed version and the Peel-and-Stick version.
NEW! FIRST AND ONLY
DCM-PRO Peel-and-Stick Membrane
Installs in minutes with a self-adhesive backing.
With an effective self-adhesive backing, Warmup’s DCM-PRO Peel-and-Stick membrane does not require any tile adhesive for it to be firmly attached to the subfloor. Simply peel off the backing from the membrane and stick into position. The DCM-PRO Peel-and-Stick membrane offers a quick and hassle-free installation of Warmup Underfloor Heating and can be installed by a qualified electrician or tiler in as little as 30 minutes.
See what installers have been saying about the DCM-PRO Peel-and-Stick Membrane across the world >
DCM-PRO Fleece-backed Membrane
Use with any thinset.
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.
Read our blog post about using Modified or Unmodified thin-set
DCM-PRO Heating Cable
The DCM-PRO Heating Cable is durable and flexible. It’s ETFE inner jacket allows for high heat output while it’s PVC outer sleeve protects for a smooth installation. The DCM-PRO Heating cable is suitable for use with both Membrane options.
The DCM-PRO Membrane’s castellations make fitting the Heating Cable easy, quick, and tool free! The DCM-PRO Membrane protects the secured cable from any potential damage during installation – leading to a reduced risk of cable failures.
Cable spacing can vary or rotate for the highest flexibility in heat outputs to accomplish anything from Comfort Heating to Primary Heating.
How to Install the DCM-PRO Uncoupling System
Whether you are installing the Fleece-backed or Peel-and-Stick Membrane, the DCM-PRO Uncoupling System is easy and quick to install, even in a shower!
1. Lay down the membrane
Clear the subfloor of dust and debris.
- When installing the DCM-PRO Peel-and-Stick Membrane, dry-fit the roll or sheets to make the necessary cuts. Clean the subfloor to obtain a dust-free, debris-free surface. We require shop-vac and ideally, wiping with a damp rag. Remove all nails, glue, and avoid OSB subfloors. When ready, peel the protective film and secure the DCM-PRO Uncoupling Membrane directly to the subfloor.
- If you are installing the DCM-PRO Fleece-backed Membrane, apply a layer of thinset to the subfloor or Insulation Board and immediately lay down the Membrane onto the still-wet thinset covered subfloor where required and attach it into position.
The DCM-PRO Uncoupling System comes in 8 sqft sheets or 150 sqft rolls. With its unique castellations format and spacing, the Membrane offers a flexible, adjustable approach to underfloor heating layout: you can space the cable in the Membrane according to your heating and layout needs. Cable spacing will vary output from 11W/sqft to 20W/sqft.
2. Insert the heating cable
With no need for tools to install the cable, fit the flexible DCM-PRO Heating Cable into the membrane with your hands, running your thumb along the cable as you wind it around the Membrane’s castellations.
3. Connect the heating system to your electric source
Using a qualified electrician, connect to the electric source and an underfloor heating thermostat – we recommend Warmup’s 4iE Smart WiFi Thermostat for enhanced energy-efficiency.
4. Test the system before laying down the floor finish
Testing the Warmup cable is essential and must be done before, during and after the installation. Watch this video to learn how to use the Warmup Alligator multimeter to test the heating cable(s).
5. Lay down the floor finish
The DCM-PRO Uncoupling System can be covered with self-leveling compound or it can be tiled over directly by using tile adhesive on top of the system.
The DCM-PRO Uncoupling is suitable for use with almost all floor finishes but is particularly recommended for tiled floors due to its ability to protect them from cracking.
Approved for Showers
Warmup’s fluoropolymer-insulated cables are approved for showers and wet rooms. This is specifically popular in steam rooms where floors and benches can feel particularly cold! In North America, the NEC limits applications to horizontal surfaces (shower pan and bench).
For a bathroom with a curb to the shower, utilize two separate cables: one for the shower area and one for the main floor. Both can be connected to the same thermostat. Separating the systems will avoid risky transitions over the curb and separate the systems should you change the tile in the shower or bathroom floor.
Navigating sharp corners. Common scenarios that require special care are curbed showers, benches, and walls. When transferring the cable over the curb or up onto the bench, cable bends should be smoothed by notching corners. Ensure the cable is fully encapsulated in thinset/adhesive.
Guarantee & Warranty
Safety Net Installation Guarantee
If you accidentally damage the heating system during installation, return it to Warmup and we will replace it with another heater of the same make and model free.
DCM-PRO Cable comes with a 30-Year Warranty. 4iE® comes with a 3-Year Warranty.
|Operating voltage||120V or 240V|
|Output||Varies with spacing – approx. 4W/ linear foot|
|Cable thickness||3/16″ (4.5mm +/- 0.2mm)|
|Cold lead||10ft (3m) long, 2 core braided|
Technical Specification Sheet: DCM-PRO Fleeced-Back Membrane
Technical Specification Sheet: DCM-PRO Peel-and-Stick
DCM-PRO Membrane Installation Manual
Technical Specification Sheet: DCM-PRO Cable
|SKU / Item||Cable length in ft||Uncoupling Systems||Loose laid cable w/ spacers||Watts||Amps|
|2 pegs||3 pegs||4 pegs||2″||3″||4″|
|SKU / Item||Description||Dimensions|
|DCM-M-150||Roll of fleece-back Membrane, covers 150 sqft||46′ 7″ x 3′ 3″|
|DCM-M-80||Box of 10 fleece-back sheets, covers 81.6sqft||2′ 6″ x 3′ 3″|
|DCM-MW-150||Roll of fleece-back Membrane, covers 150 sqft||46′ 7″ x 3′ 3″|
|DCM-MW-80||Box of 10 fleece-back sheets, covers 81.6sqft||2′ 6″ x 3′ 3″|
|DCM-PS-150||Roll of Peel-and-Stick Membrane, covers 150 sqft||46′ 7″ x 3′ 3″|
|DCM-PS-80||Box of 10 Peel-and-Stick sheets, covers 81.6sqft||2 ‘6″ x 3’ 3″|
|DCM-PSW-150||Roll of Peel-and-Stick Membrane, covers 150 sqft||46′ 7″ x 3′ 3″|
|DCM-PSW-80||Box of 10 Peel-and-Stick sheets, covers 81.6sqft||2 ‘6″ x 3’ 3″|
You will also need
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Ultralight Insulation Boards
Using Insulation Boards with under floor heating significantly reduces the heat-up times and running costs.