We put all of our accessories and other items that you might need for a successful installation in one place, right here, making it easy to find the extras that make your installation go smoothly and easily. If you think there is something you need but don't see it here, make sure to give us a call so we can help.

Making a bulk order? Call now so we can get you the best value and confirm that your order will arrive on schedule.

Underlayment Pad 3' x 10'

Unheated underlayment is recommended for use under select floor heating systems, above the subfloor. When installing ThermoFloor, additional underlayment is required for unheated areas to achieve an even, level floor.

Sound control and impact isolation padding for floating floors, small size. For use with ThermoFloor (filling in non-heated areas), WarmStep, ThermoFilm, and any floating floor.

  • Excellent acoustic protection exceeding Uniform Building Code requirements
  • Adds R-value and durability to a floating floor
  • Compatible with residential and commercial construction
  • Fully recyclable and made from 98% recycled materials
$39.95

Underlayment Pad 3' x 40'

Unheated underlayment is recommended for use under select floor heating systems, above the subfloor. When installing ThermoFloor, additional underlayment is required for unheated areas to achieve an even, level floor.

Sound control and impact isolation padding for floating floors, large size. For use with ThermoFloor (filling in non-heated areas), WarmStep, ThermoFilm, and any floating floor.

  • Excellent acoustic protection exceeding Uniform Building Code requirements
  • Adds R-value and durability to a floating floor
  • Compatible with residential and commercial construction
  • Fully recyclable and made from 98% recycled materials
$99.95

Fidbox

When systems are installed under engineered and solid wood floors, a Fidbox is recommended to monitor humidity levels and to maintain the integrity of wood floors.

Moisture and temperature datalogger for long-term readings in solid wood, engineered wood, or laminate floors.

  • 5-7 year battery life depending on access frequency
  • Accessible from a variety of devices via the Fidbox app
  • Measures and records data from subfloor and floor covering
  • Keeps you informed on how to best care for a wood floor
  • Sends alerts if your temperature or humidity need adjustment
$225.00

Floor Sentry

When systems are installed under engineered and solid wood floors, a Floor Sentry Data Logger is recommended to monitor humidity levels and to maintain the integrity of wood floors.

Data logger that monitors and records the moisture and temperature of your wood flooring as well as your concrete subfloor or underlayment.

  • Address potential issues quickly preventing damage to flooring
  • Connects via Bluetooth to mobile app for instant monitoring
  • Sends alerts if temperature or humidity is outside of desired range
  • Customize alarm threshold levels, view historical records, and generate reports
  • Battery life average of 8 years
$209.00

OJ Power Module

The OJ power module is recommended when multiple mats exceed amp allowances and must be connected to a single thermostat.

Enable a single thermostat to control additional square footage beyond what occupies the standard 15 amp max load. Only compatible with OJ touchscreen models.

  • Perfect for: Large rooms or areas of a single floor type that the homeowner would like to control with a single thermostat
  • Compatible with 120V and 240V systems
  • Only for use with the OJ Programmable, Touch Screen, or Wi-Fi models (UDG-4999, UDG4-4999, UWG4-4999)
$109.95

CeraZorb® Underlayment for Tile

CeraZorb synthetic cork underlayment is specially designed for tile floors and recommended for installation of ThermoTile mats and cable.

4 sheets of synthetic cork underlayment adding insulation, 24" x 48" x 3/16".

  • Provides thermal break over cold sublfoors for efficient heating
  • Up to 25 times lighter than quarter inch backer board
  • Built-in sound control and crack suppression properties
  • Full synthetic construction does not rot, grow mildew, or absorb moisture
  • Highly durable against impact, and stable through temperature changes
$100.00

ThermoStrips Synthetic Cork Strips

ThermoSoft recommends ThermoStrips for controlled, even mortar and cement application when installing embedded heating systems.

Self-adhesive synthetic cork strips to be placed around the floor perimeter as a barrier for self-leveling cement. Box of 12. 24"x2"x3/8" each.

  • Creates a perimeter to control a pour of self leveling cement
  • Uses pressure sensitive adhesive for easy installation
  • Provides a "soft joint" perimeter
  • Rot, mold, and mildew proof
  • Cuts easily with standard utility knife for fast field work
$27.99

Fiberboard (MDF)

Fiberboard (MDF) is recommended for use over select electric radiant systems to maintain level floors and protect heating elements.

Tempered MDF fiberboard Underlayment. For use above ThermoFloor or WarmStep when installing carpet, carpet tile, or vinyl flooring.

  • Standard Medium Density Fiberboard
  • Use to lay non-rigid floor materials over a heating system
  • Prevents telescoping where heating elements are seen or felt through the floor material
$69.95

Moisture Barrier

A polyethylene moisture barrier is required for laying above the subfloor, before heating mats are laid, to prevent moisture and damage to the system from the subfloor.

6 mil (.006") low-density polyethylene film for moisture management, 2.5'x 40' roll.

  • Black color, top-rated material
  • Use for moisture barrier under various floor types
$15.95

InstAlarm Monitor

InstAlarm cable fault finder is recommended to ensure no damage is done to the heating element before, during, and after installation.

Monitors radiant flooring mats or cables for short or open circuits during installation. A must for do-it-yourselfers and highly recommended for anyone wanting to monitor for accidental damage.

  • Connects in series to mat(s) throughout installation to monitor for damage to heating cable
  • Sounds a loud alarm instantly if a mat is damaged to alert you of a problem
  • Operates on a standard 9-volt battery (included)
  • In-depth connection instructions included for single or multiple heat system connections
$19.95

Digital Multimeter

A digital multimeter is recommended to measure the heath of mats and cables during installation.

Adjustable multimeter for resistance measurement before, during, and after installation.

  • Adjust the scale with 20-position rotary switch for intended measurements
  • Color may vary, function will be consistent
  • Operates on a standard 9-volt battery (included)
  • Useful for other electrical work
$19.95

FixFast Cable Hold Down Straps

FixFast metal straps are designed for reliable fastening of ThermoTile cable to subfloors.

Use to secure heating cable directly to the subfloor, mortar bed, or sand bed.

  • 25' roll suitable for 50 sqft of heated area
  • Cut to desired length with tin snips
  • Attaches with nails, screws, or hot glue
  • Used for interior loose cable or outdoor snow melting cable
$16.95

Ultra-Light Kneepads

Installation of heating systems may be taxing on the installer’s knees. Avoid aches, pains, and damage to the heating mat with kneepads while protecting the heating element of your system.

Extra thick, soft molded kneepads to protect your knees and keep you comfortable during installation.

  • Soft exterior protects heating system
  • One-size-fits-all
  • Highly recommended for DIY installs
$5.95

Plastic Trowel

ThermoTile cable and mat installations require a plastic trowel for gentle mortar coverage over the heating elements.

3/8" square notched pattern, use in place of a metal trowel.

  • Durable heavy duty plastic
  • Lowers the risk of damaging the heating system versus metal trowel
  • Rust proof and easy to clean
  • For use with mortar or adhesives
$12.95

Heavy Duty Plastic Trowel

ThermoSoft recommends a heavy-duty plastic trowel for gentle mortar coverage when installing ThermoTile cable and mats, so as not to nick or damage the heating element.

1/2" x 3/8" square notched pattern, use in place of a metal trowel.

  • Extra heavy duty plastic ideal for larger installations
  • Lowers the risk of damaging the heating system versus metal trowel
  • Rust proof and easy to clean
  • Rubberized handle
  • For use with mortar or adhesives
$14.89

Wago Connector (4 pcs)

A Wago connector is recommended for multiple electrical connections while installing ThermoSoft heating systems.

Terminal block/cable splice blocks to ensure reliable and easy connections between multiple mats.

  • Connects up to 7 mats with 4 connectors
  • Easy operation
  • UL Listed
$4.95

Glue Gun

ThermoSoft select heating products can easily be secured in place using a hot glue gun and glue sticks.

Hot glue gun for attaching ThermoTile Mats, ThermoTile cables, or other items to the subfloor.

  • Speeds up installation with fast pre-heat
  • Prevents heating system from moving during installation
  • Silicone protected nozzle prevents burns
  • Includes 5 glue sticks
$9.95

Glue Sticks

ThermoSoft’s select heating systems can easily be secured in place using hot glue and a hot glue gun.

Hot melt glue gun adhesive sticks for use with Glue Gun.

  • 8"x7/16" size glue sticks
  • Set of 5 glue sticks
$5.95

Back Butter Buddy

Make tiling over embedded heating systems like ThermoTile cable and mats faster and easier with the Back Butter Buddy.

Ultimate tool for making the tile back buttering process (a process needed for bonding properly to a substrate) easy on you.

  • Spins 360 degrees making back buttering quick and easy
  • Sits on top of most standard 3.5 or 5 gallon buckets
  • Attaches securely and supports up to 200 lbs
  • Invented by contractors for contractors with heavy duty construction
  • Eliminates fatigue and prevents dropped tiles
$29.95

Duct Tape 60 Yard Roll

Duct tape is recommended for positioning mats in parallel during installation and keeping them completely flat.

Recommended for connecting seams of ThermoFloor Mats, underlayment, MDF, moisture barrier sheets, and general purposes.

  • 1 7/8" wide, 60 yards long
  • Standard heavy duty duct tape
$5.95

Duct Tape 10 Yard Roll

Duct tape is recommended for positioning mats in parallel during installation and keeping them completely flat.

Recommended for connecting seams of ThermoFloor Mats, underlayment, MDF, moisture barrier sheets, and general purposes.

  • 1" wide, 10 yards long
  • Standard heavy duty duct tape
$2.95

ThermoTile Basic Kit

Make your life easier, save time, and save money by getting the ThermoTile Basic Kit which includes tools you will need for your installation, such as an InstAlarm cable fault finder and plastic trowel.

InstAlarm, Trowel

  • InstAlarm monitor
  • 3/8" Square notched plastic trowel
$32.90

ThermoTile Advanced Kit

Make your life easier, save time, and save money by getting the ThermoTile Advanced Kit which includes tools you will need for your installation such as an InstAlarm cable fault finder, plastic trowel, and digital multimeter.

InstAlarm, Trowel, Multimeter

  • InstAlarm monitor
  • 3/8" Square notched plastic trowel
$52.85

ThermoTile Deluxe Kit

Make your life easier, save time, analtd save money by getting the ThermoTile Deluxe Kit which includes tools you will need for your installation such as an InstAlarm cable fault finder, plastic trowel, digital multimeter, foam kneepads, glue gun and glue sticks.

InstAlarm, Trowel, Multimeter, Kneepads, Glue Gun & Sticks

  • InstAlarm monitor
  • 3/8" Square notched plastic trowel
  • Ultra light kneepads
  • Glue gun
  • Extra glue sticks
  • Digital multimeter
$74.70

10' Grounded Lead Extension (120V)

Add 10 feet of 120 Volt grounded lead power extension to the factory-attached leads on our ThermoSoft floor heating systems.

  • 10-foot length extension to both lead wires
  • Includes special heat shrink connectors
  • Compatible with 120-Volt mats and line voltage
  • Grounded for use with all ThermoTile products
$29.95

10' Grounded Lead Extension (240V)

Add 10 feet of 240 Volt grounded lead power extension to the factory-attached leads on our ThermoSoft floor heating systems.

  • 10-foot length extension to both lead wires
  • Includes special heat shrink connectors
  • Compatible with 240-Volt mats and line voltage
  • Grounded for use with all ThermoTile products
$29.95

20' Grounded Lead Extension (120V)

Add 20 feet 120 Volt grounded lead power extension to the factory-attached leads on our ThermoSoft floor heating systems.

  • 20-foot length extension to both lead wires
  • Includes special heat shrink connectors
  • Compatible with 120-Volt mats and line voltage
  • Grounded for use with all ThermoTile products
$49.95

20' Grounded Lead Extension (240V)

Add a 20 feet 240 Volt grounded lead power extension to a 240 Volt heating system’s pre-attached lead wire.

  • 20-foot length extension to both lead wires
  • Includes special heat shrink connectors
  • Compatible with 240-Volt mats and line voltage
  • Grounded for use with all ThermoTile products
$49.95

Thermostat Installation Kit

A thermostat installation kit makes installation of heating systems easy. Get everything you need in one simple kit and save time and money.

Complete conduit kit with box and connectors to mount thermostat and to run heating mat lead wires from the floor to the electric box.

  • 4" (2-gang) electric box
  • 4" (1-gang) mud ring
  • 2 Wago connectors
  • Coupling connectors and bushing
$44.95

Backup Floor Sensor

A backup temperature sensor is recommended to be installed with the system in the event of a future sensor failure

Add one per thermostat. Avoid future replacement headaches.

  • Recommended for every install. Installs in the floor and remains unwired in case it is needed as a replacement.
  • 15' lead wire
  • 10K Ohm NTC (set your thermostat to read at 10K floor sensor frequency)
  • Backup sensor is recommded because it eliminates the need for difficult sensor replacement
  • Suits all of our floor heating thermostats
$19.95

Schluter DITRA-HEAT Sheet - 3'3" x 2'7"

  • Provides uncoupling, waterproofing, vapor management, and support to guarantee an enduring installation
$22.42

Schluter DITRA-HEAT Roll - 3'3" x 41'1"

  • Provides uncoupling, waterproofing, vapor management, and support to guarantee an enduring installation
$345.44

Schluter DITRA-HEAT-DUO Sheet - 3'3" x 2'7"

ThermoTile cable with Schluter DITRA-HEAT Membrane. Membrane is a great solution for heating tile and stone floors. It is available with pre-attached insulation in DITRA-HEAT-DUO.

  • Provides uncoupling, waterproofing, vapor management, and support to guarantee an enduring installation
  • DITRA-HEAT-DUO includes an integrated thermal break to reduce sound, heat loss, and improve warming time
$33.50

Schluter DITRA-HEAT-DUO Roll - 3'3" x 33'

ThermoTile cable with Schluter DITRA-HEAT Membrane. Membrane is a great solution for heating tile and stone floors. It is available with pre-attached insulation in DITRA-HEAT-DUO.

  • Provides uncoupling, waterproofing, vapor management, and support to guarantee an enduring installation
  • DITRA-HEAT-DUO includes an integrated thermal break to reduce sound, heat loss, and improve warming time
$411.89

Prodeso Heat Membrane - 3'3" x 49'5"

ThermoTile cable with Prodeso Membrane. Membrane is a great solution for heating tile and stone floors and comes with a 10-year warranty.

  • Provides uncoupling crack isolation, vapor management, support load distribution, flexible heating zone selection, and waterproofing
  • Square-shaped reliefs form channels specially designed to embed and hold the heat cable
$279.95

Prodeso Heat Membrane - 3'3" x 24'7"

ThermoTile cable with Prodeso Membrane. Membrane is a great solution for heating tile and stone floors and comes with a 10-year warranty.

  • Provides uncoupling crack isolation, vapor management, support load distribution, flexible heating zone selection, and waterproofing
  • Square-shaped reliefs form channels specially designed to embed and hold the heat cable
$145.95

Prodeso Heat Membrane - 3'3" x 12'4"

ThermoTile cable with Prodeso Membrane. Membrane is a great solution for heating tile and stone floors and comes with a 10-year warranty.

  • Provides uncoupling crack isolation, vapor management, support load distribution, flexible heating zone selection, and waterproofing
  • Square-shaped reliefs form channel specially designed to embed and hold the heat cable
$89.95

PROVA FLEX-HEAT Membrane - 3'3" x 49'5"

ThermoTile cable with Prova FLEX-HEAT Membrane is a great solution for heating tile and stone floors. It is compatible with self-leveling cement for flexible installations.

  • Provides lightweight uncoupling with heating cable capabilities
  • Features a unique Shear Stress Control® system with non-woven anchoring fleece to neutralize stress caused by movement in the substrate
  • Exclusive vapor management system provides open air channels on the underside to allow moisture to dissipate
$316.95

PROVA FLEX-HEAT Membrane - 3'3" x 24'7"

ThermoTile cable with Prova FLEX-HEAT Membrane is a great solution for heating tile and stone floors. It is compatible with self-leveling cement for flexible installations.

  • Provides lightweight uncoupling with heating cable capabilities
  • Features a unique Shear Stress Control® system with non-woven anchoring fleece to neutralize stress caused by movement in the substrate
  • Exclusive vapor management system provides open air channels on the underside to allow moisture to dissipate
$175.95

PROVA FLEX-HEAT Membrane - 3'3" x 12'4"

ThermoTile cable with Prova FLEX-HEAT Membrane is a great solution for heating tile and stone floors. It is compatible with self-leveling cement for flexible installations.

  • Provides lightweight uncoupling with heating cable capabilities
  • Features a unique Shear Stress Control® system with non-woven anchoring fleece to neutralize stress caused by movement in the substrate
  • Exclusive vapor management system provides open air channels on the underside to allow moisture to dissipate
$101.95