Radiant Heating

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Accommodating radiant heat in slabs

We are a ready-mixed producer in northern Wisconsin. Several contractors we supply have placed in-floor heating in garage or basement floors. Two of these floors have cracked after turning on the heat. We have been told that this may be due to thermal cracking or shocking. We would like information to pass along to contractors the proper procedures for installing these tubes. How and when should homeowners begin using the heat? More