Now you can easily install heat cable to heat your tile floor with uncoupling SCHLUTER® DITRA-HEAT technology for improved protection against tile and grout cracking. DITRA-HEAT-DUO also features an integrated thermal break that provides up to 70% faster warm-up times over concrete substrates.
It comes with the following features and benefits:
Speed-up your heating cable installation and gain the advantages of DITRA-HEAT uncoupling membrane!
With our industry leading return policy, you can order worry free knowing you can get 100% refund within 100 days of purchase.
US & Canadian credit cards are accepted.
We also ship to Canada!
No brokerage fees!
Combine multiple heating cables to cover your heated area.
Combine Schluter® DITRA-HEAT uncoupling membrane to cover your whole floor.
|Product Type||Floor heating cable for use with Schluter® DITRA-HEAT Membrane
ThermoSoft heating cables are sold and supported directly by ThermoSoft and are not endorsed by or affiliated with Schluter.
|Applicable Flooring Materials||Ceramic, porcelain tile or natural stone tile|
|Voltage||120 Volt & 240 Volt|
|Wattage||12 Watts per S.F. maximum|
|Thermostat Load||Maximum (15 Amps)|
|Dimension & Coverage|
120 Volt: 40', 65', 84.5', 125', 217', 274', 311.5', 329.5
240 Volt: 22', 50', 80.5', 130.5', 169.5', 250.5', 348', 548.5', 623.5', 659.5
|Coverage (Square Feet)||
120 Volt: 11, 18, 23, 34, 59, 75, 85, 90
240 Volt: 6, 13.5, 22, 36, 46, 68, 96, 152, 174, 184
|Cable Thickness||1/8" (nests within 1/4" Schluter® DITRA-HEAT Uncoupling Membrane)|
|Schluter® DITRA-HEAT Membrane Features||
DITRA-HEAT provides uncoupling through its geometric configuration, which allows for in-plane movement that effectively neutralizes the differential movement stresses between the substrate and the tile, thus eliminating the major cause of cracking and delaminating of the tiled surface.
DITRA-HEAT features a polypropylene composition which protects the substrate from moisture penetration. This is particularly important in bathrooms, kitchens, and any environment that may be affected by moisture.
Vapor Management The free space on the underside of DITRA-HEAT provides a route for excess moisture and vapor to escape from the substrate that could otherwise cause damage to the tile covering above. Support/Load Distribution Loads are transferred from the tile covering through DITRA-HEAT's column-like mortar structures to the substrate. Since DITRA-HEAT is virtually incompressible within the tile assembly, the advantages of uncoupling are achieved without sacrificing point load distribution capabilities.
|Thickness||DITRA-HEAT 1/4"; DITRA-HEAT-DUO: 5/16"|
|Standard lengths||2'7", 33', 41'1"|
|Custom lengths||Any 1' increment from 6' up to 38'|
Using a thin-set mortar that is suitable for the substrate, apply the thin-set mortar (mixed to a fairly fluid consistency, but still able to hold a notch) using a 1/4" x 1/4" square-notched trowel.
|Apply DITRA-HEAT or DITRA-HEAT-DUO to the floor, fleece side down. Solidly embed the matting into the mortar using a float, screed trowel, or DITRA-ROLLER, making sure to observe the open time of the bonding mortar. If the mortar skins over prior to matting installation, remove and reapply.Note: It may be helpful to back roll the end of the matting before installation, or place boxes of tile on top of the matting after installation, to avoid curling.|
|Lift up a corner of the matting to check coverage. Proper installation results in full contact between the fleece webbing and the thin-set mortar. Note: Coverage may vary with mortar consistency, angle at which the trowel is held, substrate flatness, etc. If full coverage is not achieved, remove and reapply, making sure to verify proper mortar consistency and application.|
|Abut end and side sections of adjacent sheets. Note: Aligning the studs on the top of the matting during installation can help make subsequent heating cable installation easier.|
Estimated thin-set coverage.
|Before the heating cable is removed from the spool, conduct the first set of required tests and record values in the heating cable tests log in the installation manual. If a break or damage is detected during the tests, contact Thermosoft customer support.|
|Thread the heating cable cold lead through a conduit (where required by code) from the base of the wall to the thermostat electrical box. Floor temperature sensors may not be threaded through the same conduit as the cold lead.|
|Mark where the cold/hot splice will be placed, cut the DITRA-HEAT or DITRA-HEAT-DUO matting, and insert the splice. It may be necessary to temporarily secure the splice to the floor with thin-set mortar or adhesive (hot glue). Once the heating cable cold lead and remote sensors are threaded to the thermostat electrical box, install a metal protection plate at the base of the wall. This will help prevent any damage from fasteners (e.g., nails, screws, etc.) in the future.|
|Embed the heating cables between studs, at a spacing of 3 studs (3-1/2"). Closer spacing may result in overheating and damage to building structures. A wider spacing (e.g., 4 studs) will not provide sufficient power to warm the floor to the desired temperature. Exception: a two-stud spacing is used when connecting the 240 V cable to a 208 V power supply.|
|Use care not to damage the cables during installation, particularly before the cables are embedded in the matting.|
|The maximum allowable length of a single run is 5 ft.; the cable must be turned or a u-shaped "jog" created at this point (see image).|
|Install the thermostat sensors evenly spaced between two cable runs, at a distance of at least 24" from the wall. Mark the sensor location on the DITRA-HEAT and cut the matting to recess the sensor. It is recommended to temporarily remove the heating cable from the area while cutting the matting. It may be necessary to temporarily secure the sensor to the floor with thin-set mortar or adhesive (hot glue). Embed the sensor wire in the matting without overlapping or crossing the heating cable.|
|Once the heating cable and floor temperature sensor installation is complete, retest and record values in the heating cable tests log.|
Waterproofing: The following 4 steps are required for waterproofing only.
Note: While the heating cable is protected by the DITRA-HEAT and DITRA-HEAT-DUO matting, be careful when applying the mortar to not damage the cable with the notched trowel. At the joints, fill the matting with unmodified thin-set mortar, approximately 8", centered over the joint.
|Comb additional unmodified thin-set mortar over the joint using a 1/4" x 3/16" V-notched trowel or a 1/8" x 1/8" square-notched trowel.|
|Apply 5" wide KERDI-BAND, centered over the joint. Using the flat side of the trowel, firmly press the banding into the mortar to ensure 100% coverage and to remove excess mortar and air pockets.|
|At all wall junctions, apply KERDI-BAND as described in steps 1-3, centered where the wall and floor meet. In some applications the vertical section of the floor/wall transition will not accept a bond to unmodified thin-set mortar. Connections to such elements can be achieved using KERDI-FIX sealant and bonding compound or suitable trowel-applied waterproofing materials, such as those that require atmospheric moisture to cure (e.g., urethane sealant). Note: KERDI-BAND must lap DITRA-HEAT and DITRA-HEAT-DUO at seams and at floor/wall transitions by a minimum of 2" in order to maintain waterproof integrity.|
Note: While the heating cable is protected by the DITRA-HEAT and DITRA-HEAT-DUO matting, be careful when applying the mortar to not damage the cable with the notched trowel.
Tile can be installed over DITRA-HEAT and DITRA-HEAT-DUO immediately; no need to wait for the mortar to cure. Fill the matting with unmodified thin-set mortar and comb additional mortar over the matting using a trowel that is appropriate for the size of the tile.
|Solidly embed the tiles in the setting material, making sure to observe the open time of the bonding mortar. If the mortar skins over prior to tile installation, remove and reapply.|
|Periodically remove and check a tile to ensure that full coverage is being attained.|
Once the tile installation is complete, retest the heating cable and record values in the heating cable tests log.
Allow the assembly to cure for 7 days after grouting before putting the floor warming into service.
Please read your Limited Warranty in the Installation Manual for details.
This was a completely new experience for us and Thermosoft walked us through every step of the way. So thrilled with the product and so grateful for the wonderful customer service.
Mitch has been an awesome person to work with. He has provided helpful information along the way during our selection and order process, helped us figure out the right materials and quantities we needed, was excellent at communicating and following up on open orders, was extremely efficient in getting our order processed and delivered timely and was pleasant to work with. I would highly, highly recommend Mitch to anyone needing assistance with their future ThermoSoft orders!
Like shopping in the 60's, GREAT customer Service. Doug, help me get extra padding for our addition, because of a contractor's error. He went above and beyond what a normal company does in today's market. What great products,ease of installation and SUPER customer service. I called Doug three times with questions and he had an answer right away. THanks goes out to Doug what a great customer service Rep.
Service was helpful. I am a novice at this and got the information I needed!
Hi. Thank you very much for the help. You've been a great help. Pleasure doing business with professionals like you guys! Everything went great with installation of new thermostat. I HAVE HEAT!!!!!!! Thanks again all!
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Doug went the extra mile to make our experience exceptional!
I want to say that I was surprised with your level of follow up and I think you were fantastic at following up without being a pain. Informative and helpful!
Looking forward to getting some great floor heating!
Thank you for your patience and you pleasant persistence.
We're adding floor heat under floating laminate to a chilly master bedroom that the furnace doesn't seem to reach. I've previously installed Thermosoft heat in my shop. Heated floors are really pleasant, and look nicer than baseboard.
Outstanding prices and sale and large selection of products that make it easy to adapt to many applications.
That was a lot of help, thanks for guiding me through the process!
easy and effortless
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The products I received appear to be made locally (USA) which is important to me. My customer service representative (Doug) is very technically adept and efficient. I interact with a large variety of people and care more about competencies than personalities. It was very refreshing to interact with a supplier that genuinely strives for excellence.
I appreciate your help!
have not opened box. Plan to let Electrician and Tile contractor install. Hopefully all parts are there and all goes well.
You guys were very helpful for a first time buyer!
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Less Painful than I thought it would be!
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You guys have been great! It's been good working with you. This project has taken a long time!
Customer service was polite and helpful and promised to exchange a product for a bought by mistake, I purchased additional products from them and then they never sent return information for the purchase they said I would be able to return. After several emails I have not gotten a response
Everything's been great!
Low pitch, low key, not pushy, and inform the customer. I like that very much! I have not however received the CAD layout design for the thermosoft floor heating. A followup email was not answered. Otherwise everything thing else was top notch.
This was an easy install, just as David said.... he walked me through thermostat procedures
All the reps I have spoken with have been very helpful and knowledgeable.
You have been been fabulous! Thank you so much for all your help!
Mitch did great job and was very helpful. You have a great representative in Mitch Thank you Bond Sutton
Got it all is good
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Hello, This was the first time that I have used thermosoft. My call to thermosoft was as usual when shopping the web apprehensive. The call started very well from the beginning. The salesman new every aspect of the floor product and the heating cable requirements that I needed. I will use thermosoft again. Thank you...
Excellent service. Answered all questions and would purchase again.
Thank you for making this a lot easier. You have been incredibly helpful!
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Mitch was polite and helpful. The product was delivered within a couple days.
Great Customer Service!
Service was excellent
My customer service experience was quick and hassle-free. My representative was knowledgeable about the product and got me the best price for the most floor coverage and did it all on my commute home.
Super helpful in putting together everything that was needed.
Thank you very much for professionally walking me through the process and your different heating systems.
Excellent information and service from David Kaempf. Quick delivery.
Easier than I thought it would be!
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Very pleased the sales rep kept in contact while the project was finalized. LOVE the warm floors!
Service and order went great. One problem, the package was supposed to be delivered overnight, but did not show up until the following Monday (3 days). UPS says you must initiate the refund. Could you please do that for me? Thanks. John
Great Job! I appreciate it!
Very pleased that David was flexible working within my budget.
Great product, easy to install
Thank you for your friendly service and excellent advice and recommendations, Mitch! And for your patience! It was truly a pleasure working with you and I can't wait to install my heating mats. Thank you for everything!
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