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What low-r value and thin tile decoupling products do you recommend over radiant pour?

rossn
Member Posts: 51
What low-r value and thin tile decoupling membranes/products do you recommend over hydronic radiant that is within a concrete over pour? The thinner the better, and fully moisture tolerant is desired.
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Comments
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Schluter Ditra - 1/8”0
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We had porcelain tile installed about six years ago in our new addition. I installed the radiant tubing in the slab and was concerned the Schluter Ditra would negatively effect the heat output. Honestly, I doubt it reduces the output enough to notice. Radiant performs fantastic. By the way, decoupling was considered cutting edge here in NJ at the time.
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R value should be practically nothing given the majority of the Ditra surface area are voids filled with thinset.0
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