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Heat loss – attached garage slab

imlindai | Posted in General Questions on

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?

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Replies

  1. wjrobinson | | #1

    Separate slabs with foam divider.

  2. imlindai | | #2

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

  3. GBA Editor
    Martin Holladay | | #3

    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.

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