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I'm trying to help a customer compare insul-tarp to extruded styrene, anyone have resources where this info can be found?


  • NRT_Rob
    NRT_Rob Member Posts: 1,013
    this link

    is a bunch of general observations about reflective insulation products under slabs:


    in summary, don't do it in a regular heated space. for things like snowmelt, where it's very periodic use and you need a thermal break more than true insulation, it can be ok.
    Rob Brown
    Designer for Rockport Mechanical
    in beautiful Rockport Maine.
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