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Insulation Under Radiant Floor Heating System?
December 17, 2009 by admin
Filed under Heating & AC FAQ
We just put in a hot-water radient floor heat system. We need to insulate under the floor in the crawlspace. Contractor says use bats, plumber says use board-type insulation. Any thoughts?
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Use foil faced Celotex, 1″ or 1-1/2″ thick for best results.
use bats, not only is it cheaper , its fire rating is higher than that of a board or wafer type, it is also better for sound control, there really is no rules or specs on which type you should use ,but bats or rolls just seem more economical and logical , just be sure and use the faced rolls or bats.
dont know…