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Heat loss - attached garage slab

Hi, if i want to use radiant floor heating in the slab foundation but not in the attached garage, will there be heat loss into the garage? If so, any suggestions on a better way?

Asked by Linda Ingalls
Posted Nov 1, 2012 4:57 PM ET
Edited Nov 2, 2012 3:43 AM ET

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3 Answers

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1.
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Separate slabs with foam divider.

Answered by aj builder, Upstate NY Zone 6a
Posted Nov 1, 2012 7:16 PM ET

2.
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Ok, thanks! Would an icf type divider be good?

Answered by Linda Ingalls
Posted Nov 1, 2012 8:00 PM ET

3.
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Linda,
I'm not sure what you mean by "an ICF-type divider," but if you plan to install an ICF frost wall around the perimeter of your home -- not including the garage -- and then to pour the garage slab separately, that would work. The thicker the vertical foam between the two slabs, the better.

Answered by Martin Holladay, GBA Advisor
Posted Nov 2, 2012 6:54 AM ET

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