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TechmanTechman Member Posts: 2,143
I have a customer who put tarpaper down on top of a plywood subfloor for a small radiant zone. There will be mud,mesh then tile.At what temp will the tarpaper put off an odor? the customer was advised to not use tarpaper ,but,so be it.Thanks!


  • GordyGordy Member Posts: 6,438
    Felt paper

    Think of it on roofs gets pretty darn hot.

    If your supply temps are not outrageous I would not think it would be an issue.

    That being said its probably giving off a smell now but will be buried in mud.
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