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floor heat install

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RWALD
RWALD Member Posts: 21
in A-C, Heat Pumps & Refrigeration
I'm installing floor heat on a new house its a 2 story on the top level I will have gypcrete . What type of insulation do you prefer to keep heat from going down? Thanks for any tips

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  • EzzyT
    EzzyT Member Posts: 1,296
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    Fiberglass batts of insulation, the higher the R-Value the better.
    E-Travis Mechanical LLC
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  • psb75
    psb75 Member Posts: 835
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    I respectfully disagree with fiberglass batts. Its nasty stuff to work with. Needs a large cavity to maintain its loft (for R value) and rodents love to live in it. You'll obviously have to open up the first floor ceiling and then replace it after insulating. I would suggest insulating on top of the floor IF YOU CAN, using polyisocyanurate board 1/2", 3/4" or even 1" if ceiling height allows. R value of insulation is not so critical for second floor heat. If you are opening up the 1st floor ceiling I would highly advise doing tubing with plates and then insulate. Crunch your numbers for ALL attendant work and materials. Warmboard or Sunboard might pencil out well in comparison. They are good products to heat AND work with.

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