central - east central Minnesota - | That diagram is ok - but, its better to keep the freezing out of the concrete block or poured walls . . . . . Insulation goes on the outside. This is the advice of Building Sciences at UMn . . . . Personal preference - I'd prefer to insulate the whole floor with insulation. Not just around the edges. No reason to heat the soil above it's normal range (around 50°F). There are companies that make foam board that have built in clips to hold the pex tubing - making installation fast and easy.
Edited by iseedit 3/1/2016 05:29
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 insulation.jpg (52KB - 84 downloads)
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Installing floor heat
