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Ideas on insulating under retro-fit quik-trak
Have had several homeowners call me regarding retrofitting a floor with Quik-Trak style pre-made panels. They have seen them at home shows, TV, etc. My question is, if they want to lay this down over slab on or below grade, and there wasn't insulation under this slab to begin with, how do we keep the heat from going down into the slab and to the ground? Insul-tarp is a little too thick and squishy to lay the panels on, isn't it? Along these same lines, I have come across some folks who have installed their subfloor on 2X6's laid on a slab. The 3/4" deck is already on and now they've heard about Quik-Trak and want a radiant floor. Short of pulling up the plywood deck and insulating the joist bays (which would be a real bugger since the walls are already framed in), again, how do we keep the heat from going down into the joists, into the slab and into the ground? What are you guys doing and using? Just looking for a little feedback as I have been asked to do the heating on several of these jobs and have yet to give them a bid.
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