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When I had a new floor laid in my basement I had 100mm of Celotex put in, which I thought improved the general heat loss and kept the floor warmer.
Had a builder look at the kitchen last night, which has a thin concrete pad on top of soil. I suggested digging out and doing much the same thing I'd had done in the basement, but he tells me this would not improve the ambient temperature of the floor, nor protect from heat loss as the earth has a constant temperature.
Is this true? |
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