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Severna Park, Maryland
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Oswego, NY
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Collins, NY
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electric heat mat under tile
[#3] Posted: 04/12/2012 - 4:15:09 PM |  |  |
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I have hydronic heat in the floors of both my bathrooms, the bedroom hall and the kitchen. After months of nice warm floors you really miss them come spring.
Don't cheap out on anything you plan to bury in tile. Do your homework and get the best system you can afford.
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Tom
http://clearcreekhomeinspection.com/
Life is tough enough as it is, it's tougher when your stupid. Don't do stupid things.
Dr Joe Lstiburek |
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Needham, Massachusetts
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 electric heat mat under tile
[#4] Posted: 04/12/2012 - 4:24:33 PM | | |
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Quote: Originally posted by gtblumQuote: What kind of advice can any of you give for a smooth installation? Hire someone who knows what they're doing?
Listen to Gary now or wish you had later.
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Severna Park, Maryland
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Victoria, British Columbia
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electric heat mat under tile
[#6] Posted: 04/12/2012 - 10:57:15 PM | | |
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The mats are small and expensive. It is a nice feature if you are selling a place. I see them in the higher priced units, and people like the warm tiles. Programmable thermostats let you set the heat to come on before you get up in the AM, then turn off.
On a concrete slab, you are paying to heat the earth, and the earth is a fairly large mass to heat.
In our previous place, I laid a heat mat on a concrete slab from the bathroom door to the tub for about $250. I didn't put a heat mat in front of the crapper on the right, which was just a little square patch of tile. So you'd walk in and have nice warm tiles, step over to the crapper and the tiles were 10 degrees colder. That contrast was worse than no heat in the floor, probably.
Tiling wasn't hard. We just laid down a slightly thicker layer of thinset where the mat ran out. My wife is better at leveling tiles than I am. Fussier, I mean.
Just like Kurt said earlier, the sensor quit after only a few days. I had to diagnose the problem first and then had to install a new sensor under a tile without cutting the heating cable. It was a delicate operation, but it worked ok after that.
We have a little 300 watt baseboard heater in this house. It heats the tile floor pretty well, but this house is over a crawlspace with an insulated floor. Upstairs bath has a wall-mount fan heater. The electric fan heaters are compact and pump a lot of heat, good choice, IMO. We never even use the one upstairs.
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DeWitt, Mi
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electric heat mat under tile
[#7] Posted: 04/13/2012 - 05:58:55 AM | | |
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I have Laticrete units and really like them. The t-stats are very fussy and a single wrong connection can fry them. I had the tile setter place them in one step; fasten cable to backer then thinset to final elevation. Works.
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Les
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Olathe, KS
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Joined: Feb, 2004
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electric heat mat under tile
[#8] Posted: 04/13/2012 - 3:15:36 PM | | |
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I chose Warming Systems for ours over the Laticrete and Sun Touch that were for sale at the big box stores. It's Made in the USA and I was able to get a 15 sq. ft. mat WITH thermostat for $145 on ebay, less than half the price. (I believe Laticrete mats are foreign made if I remember correctly, Sun Touch is also Made in the USA). Also bought and extra thermostat sensor for $6 to install as a backup as others recommended in the other thread. Regardless of brand, I believe they are all pretty similar, at least all I've seen.
It's what I'm installing under my tile. Isn't self stick like Laticrete and Sun Touch or have the fancy continuity indicator to hook it up to during installation to verify continuity while you're tiling it, but I'll manage to hold it in place for that price and just use my multi-meter to verify continued continuity 
Their site is here: http://warmingsystems.com/ and the instructions are linked on their home page, and the other brands also have their instructions on line.
Warming Systems advised to just use the flat side of trowel to embed it then install tile as normal with notched side. It's only about 1/8" thick. I'm just going to back butter adjacent tiles and set to the same height if needed. Some other systems also advised you could do self leveling mix first to embed it in then do tile, so I assume that would work for this but it doesn't mention it in their instructions. Also you're not supposed to fire it up the first time in the floor until it is all fully cured.
I had an extra GFCI breaker laying around so I ran a new circuit that will power this and the mat in my other main level bath when I get around to doing it.
If I get time tomorrow, I'm going to try to tile it in so will post back soon on how it goes.
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Kevin Wattenbarger
www.911owned.com |
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Friday Harbor, WA
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electric heat mat under tile
[#9] Posted: 04/13/2012 - 8:06:20 PM | | |
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If you do decide to install a heat mat under tile, I would go over to the John Bridge tile forum and read up. There are many, many threads on how to do this, probably some of them are stickies. http://www.johnbridge.com/vbulletin/
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Olathe, KS
Posts: 253
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electric heat mat under tile
[#10] Posted: 04/22/2012 - 07:49:44 AM | | |
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Mine is done, no big deal to match up the adjoining tile.
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Kevin Wattenbarger
www.911owned.com |
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