Hello
Has anyone built Hydronic floor heating into thier Log home. I am considering Warmboard as the subfloor. I would appreciate hearing the pros and cons of one product over the other.
Regards
MARK
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If a home is efficient enough, there is really no need for $200.00 a sheet subfloor. Thats not for the average person.
I do realize that log homes have drawbacks sometimes....in a conventional structure you can increase insulation capacity in using foams which make for a very livable / comfortable space.
In Maine, there are more and more homes going radiant slab heat...some really like it and others are dissapointed (bad installs etc.). But it is really cheap to put PEX in a slab that you are going to pour anyway (Basement as an example), and makes for quite a heat sink once its operating during the middle of winter.
Like anything, it has to be done correctly.
Here is an excellent design guide from First Nations Canada for frost protected slab construction. The use of PT ply as forming and plate casted into the slab is excellent idea. If Iwasn't going with a small basement, I would do this design and cast PEX in the slab.
I would build a PT stick knee wall (12-18" off slab) and start logs from there. You could also use this as a wiring chase.
OOOPS......here is the link; ftp://ftp.cmhc-schl.gc.ca/chic-ccdh/Research_Reports-Rapports_de_re....
Lowes sells Avantec for $27.46 a sheet, and 3/4" T & G OSB for $11.86.
Home Depot has a similar product called advantage subfloor, which runs about $15 and some a sheet.
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