Model # WW5-120

Internet #203993018

ThermoSoft WarmWalk 5 ft. x 18 in. 120-Volt Floor Heating Mat (Covers 7.5 sq. ft.)

ThermoSoft WarmWalk

5 ft. x 18 in. 120-Volt Floor Heating Mat (Covers 7.5 sq. ft.)

$9697 /each
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Frequently Bought Together

Product Overview

WarmWalk radiant floor heating mats are typically installed in kitchens and bathrooms to make tile floors cozy and comfortable. WarmWalk can be used in new construction or remodeling to heat or supplement any room, addition or basement. WarmWalk floor heating mats are designed for fast and easy installation on virtually any subfloor and under any floor covering. Besides being ideally suited for all types of tile, marble, porcelain and stone floors, WarmWalk can be installed under carpet, vinyl, laminate and wood floors when imbedded in self-leveling cement. WarmWalk’s standard size mats are designed for easy on-site fitting to any floor. Since WarmWalk’s heating cable is factory spaced on rolls of fiberglass mesh, it reduces installation time. Simply roll out the mats and cut the mesh to turn WarmWalk in any direction to fit the floor. Lay tile as usual by troweling thin-set mortar over the heating mat. Openings in the heating mat grid allow the mortar to securely adhere the tile to the subfloor. If you prefer, you can skim coat or self-level over the mat and lay the tile in a second step. Once the mortar cures, connect the heating mats to the thermostat and power. No on-site splice connections or special tools are necessary. WarmWalk is designed to reduce electro-magnetic field (EMF) to a negligible level so there is no worry about interference with other electronic appliances. WarmWalk is UL Listed and safe for installation in showers.

  • Standard mat width and length are stocked for immediate shipment and easy on-site fitting to any floor
  • Combine multiple mats to fit your desired heated area up to 150 sq. ft. per thermostat (purchased separately)
  • Add a power module (purchased separately) to increase your heated area in increments up to 150 sq. ft. each
  • Factory-attached, hermetically sealed lead wires connect to household 110/120-Volt
  • Lead wires on only one end of the mat facilitate mat layout and installation
  • 1/8 in. thin heating cable imbeds in thinset mortar and minimizes raising the floor height
  • Construction-grade fiberglass mesh provides an anti-fracture membrane that strengthens the floor and helps prevent grout line cracking
  • Provides all the comfort and health advantages of radiant heating without fans, drafts, blowing pollutants or allergens
  • Saves energy 25% to 35% compared to convective systems, using the programmable floor thermostat
  • Manufacturer provided lifetime technical support when installed with manufacturer-provided thermostats specifically designed for radiant floor heating
  • To simplify installation, consider ordering longer mat(s) to fulfill your requirements, for example, one 30 ft. long mat rather than six 5 ft. long mats
  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Product Length (in.)
Product Thickness (in.)
1/8 in
Product Width (in.)


Flooring Product Type
Underfloor Heating
Fiberglass Mesh
Product Weight (lb.)
Voltage (volts)
Wattage (watts)

Warranty / Certifications

Certifications and Listings
1-UL Listed
Manufacturer Warranty
25 years

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Customer Questions & Answers

Does it have a thermostat? I want to use it in a dog house but don't want to overheat the dog.

Does it have a thermostat? I want to use it in a dog house but don't want to overheat the dog.
Asked by: DogOwner
Hello DogOwner, This Mat is designed and intended to be used with a LineVoltage Floor Sensing thermostat. The thermostat is sold separately. If you need assistance picking the correct thermostat, call our team at 800-308-8057. Serge ThermoSoft Customer Care
Answered by: Thermosoft Product Expert
Date published: 2016-12-05

How long are the lead wires?

How long are the lead wires? This will help determine mat orientation and thermostat location. This information and an installation guide would be helpful on the product description page.
Asked by: Jim
Hello Jim, Thank you for the feedback. The lead wire is 10'.
Answered by: Thermosoft Product Expert
Date published: 2016-03-16

Can this be used in bathrooms. Or where dampness may be

Asked by: Shane
No. Film should not be installed in damp areas.
Answered by: Thermosoft Product Expert
Date published: 2017-07-28

Can several mats link to one thermostat control?

What kind of wiring do I need to tell the electrician to install for about 4 or 5 mats?
Asked by: Randy
Yes. The lead wires should be connected to the thermostat in parallel.
Answered by: Thermosoft Product Expert
Date published: 2017-07-28
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