I'm in a pickle - I installed acoustic cork on concrete slab as an underlayment. Over that is planned a radiant(mat) heater from warmly yours and then nice porcelain tile.
Problem is - tile guy is EXTREMELY concerned the cork will cause the thinset/grout to pop up over time.
The cork was put in to force more heat to the tiles vs. the concrete slab. Now I'm debating on whether I should tear out the cork before putting in the heater.
Has anyone worked with acoustic cork 1/4" thick and installed tile over it? Thoughts?
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