Tales from the Trenches: DIY Installation in a Chicago Bathroom

Hi, I’m Eric, the Computer Support specialist at WarmlyYours and now first-time Do-It-Yourself installer of a WarmlyYours radiant floor heating system. Last weekend I installed the system in my brother’s bathroom and was able to perform most of the installation myself. This was my first genuine installation from start to finish, and I want to share my experience along with a few helpful tips for other first-time installers and do-it-yourselfers. The sub flooring that I used in the bathroom just beneath the electric radiant floor heating system was Hardi Backer Board. I cemented the boards down to the plywood sub flooring, then used screws every 8".
The Hardi board was great because all of the areas were pre-marked for driving the screws in. After the boards were cemented and screwed down, I secured the seams in between the boards with more thinset cement (this was a non-modified type) and joint seam tape for sub flooring. This made the floor rock solid. It will take a California earthquake to crack this floor. After my sub floor was secure, I laid out the mat according to the custom installation plan provided by WarmlyYours engineering staff. I ran into one problem with the plan, but that was because I forgot to mention that there was a floor vent in the "water closet" of the bathroom.No worries because the nice thing about the WarmlyYours floor heating system design is that I was able to cut and turn the mat to fit around the vent while still using up the entire length. I definitely appreciated the flexibility of being able to cut-&-turn the WarmlyYours heating mat to fit the actual jobsite layout (note to myself to take better measurements next time!). To secure the heating mat to the sub floor, I decided to use a hot glue gun since my staples were just bending and not piercing the Hardi Backer board. I used a lot of glue every few inches to make sure the mat would hold in place. The glue dried quickly so by the time I finished gluing the surface was ready for my first coat of thinset cement. I tested the ohms on my floor heating mat before I laid it down on the floor, and again after my cuts and turns, and then one last time after I applied my layer of thinset. Ohms were almost spot on to what the white label said they should be on the mat. Using the flat side of my trowel I mixed up a really watered down modified thinset. I could have used self leveling cement; however, I had bought too much thinset mix already.

The thinset laid down pretty flat, but some of my hot glue dots were too high. So if you ever glue down a mat don't get too crazy with the glue. It doesn't take much to hold down the WarmlyYours floor heating mat as it already lays out pretty flat to start. Some areas of the bathroom were not covered by floor heat (under the sink vanity) so I had to level out those areas to be even with the rest of the room.  I could have used a large float to make it level, however on a construction site there are plenty of 2 x 4's, so I just used one of those. My goal was to cover the floor heating mat just enough so that I wouldn't have to be as careful with the trowel when I laid the thinset down for the tiles. So my initial layer of thinset was about the thickness of the mat and I could still see the shape of the mesh after the thinset dried.

The electrical line was installed by a licensed electrician (my uncle). I wired the thermostat up myself after the bathroom floor was in. I've wired basic light switches and outlets before so wiring the thermostat was really no different.  I reduced the amount of cold lead wire coming out of the box so that it wouldn't be all coiled up in there. By the way, this does NOT affect the heating ability of the mat. It is summer and the house is still under construction so my brother has yet to fully experience the warmth of the floor. We did turn it on for about 30 min to make sure that you could feel the bathroom tiles warm up. Generally it will take 30-45 min before you feel a noticeable difference by touching your hand to the floor. We felt an unheated tile in the closet to compare and wow what a difference it makes – my brother is now actually looking forward to the winter season to really make the most of his new heated bathroom floor!

NY Times Features a Bathroom Floor Heating Installation with WarmlyYours

When the WarmlyYours staff heard of the New York Times full-page article featuring the bathroom installation of a WarmlyYours electric floor heating system under tile, it was welcome news. The realization that a wide audience would be introduced to the WarmlyYours world of ‘Making Comfort Easy’ was an exciting prospect.

The article demonstrates how easy and economical it is to warm a cold bathroom tile floor with WarmlyYours radiant electric floor heating mats. Highlights include WarmlyYours' fast quotation turn around process where customers submitting a floor plan can get a quotation and free installation layout within 1 business day - at no cost. The personalized installation layout details how the radiant floor system is custom-designed to fit around your bathroom fixtures, covering only your bathroom’s open walking area while leaving no cold spot in the room.

Featured are pictures of a WarmlyYours system installation in the bathroom of a Canadian home, under a tile floor.

To read the complete article and view the installation pictures, click
here:
New York Times Floor Heating Article

When Selecting Your Radiant Floor Heating Provider, Technical Support Matters

Our marketing manager helped with an installation in Winnetka, IL. When the homeowner asked to remove 6 tiles after the installation had been complete, the floor heating system's integrity was compromised, but WarmlyYours' 24/7 technical support helped make it right.

The big topic this week was my experience with the installation of an electric floor heating system in Winnetka. During this installation I had the pleasure of working with our tech team on several occasions. While I was initially installing the warming roll I had several questions for our technical team. My questions were handled promptly by the technical team, which is so valuable when you are installing a product yourself (or having a trades person present while their meter is running).

After the radiant floor heating system was completely installed a final Ohm's reading was taken and the circuit check was attached. Everything worked to perfection but after the flooring tiles were partially installed the client requested that several tiles be replaced. It was made clear that changing the tiles at this stage could compromise the floor heating system but the client still wanted to proceed. There were a total of 6 tiles that were removed. 5 came off without incident, but the circuit check sound its alarm during the removal process. Once the circuit check stated to "chirp" we immediately stopped and inspected the floor warming system to see if damage had occurred to the warming cable. There was a small section of warming cable that had been nicked while the tile setter chiseled the thin set after removing the tiles. I called our 24/7 Technical line one more time to discuss what should be done to repair the break in the warming cable. After some discussion it was made clear that splicing the damaged heating cable was the best approach to fix the problem.

Keith from the WarmlyYours tech support team helped our contractor fix the line which included soldering the wires; crimping the connection and finally attaching a section of heat shrink tubing over the reconnected section. After the section was repaired the circuit check was silent. You have no idea how relieved I was to have the system repaired with a solid Ohm's reading and a silent circuit check.

In conclusion I want to stress my sincere thanks and appreciation to our entire Technical Support Team. A big thank you to Chris, Seth, Chad and Keith. Without their assistance we would have not been able to complete the project. This experience also reinforced to me how critical and valuable our Technical Support is to all our customers. Our 24/7 Technical Support is definitely something we want to continue to communicate to the marketplace as another advantage of working with WarmlyYours.