Basement sub-floor with floor heating

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  #1  
Old 03-05-14, 10:57 AM
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Basement sub-floor with floor heating

Hi, new member here, so please be gentle.

I live in Quebec, Canada and I'm finishing the basement. There will be a bedroom and a main area. The floors will be laminate or engineered wood. My wife insists on installing floor heating in the main room. I want the floor to be on the same level everywhere. So far, I'm planning to install a sub-floor using DMX 1-Step covered with 5/8" OSB, however, where the heating cable will be installed, I'm thinking of using 3/8" OSB or plywood instead. The idea is to fill that with self-levelling cement to match the 5/8" OSB. Anything wrong with this approach?

Thanks,
Andrei
 
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  #2  
Old 03-06-14, 06:41 PM
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What does the manufacturer of the heating system recommend?
 
  #3  
Old 03-07-14, 11:18 AM
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They recommend to embed it in minimum 1/4" of cement.
However, most of hardwood and laminate manufacturers do not recommend or even allow electric radiant floor heating. Water systems are ok, but not electric ones. Also, wood it's not very good at transferring heat and it might get damaged by the excessive heat.
I decided go without a floor heating system.

Thanks,
Andrei
 
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