Discuss Tiling concrete floor and UF heating in the Canada Tile Advice area at TilersForums.com.
Only the subfloor was primed and then top of the XPs - as you say this may be part of the problemwas the underside of the XPS boards primed?
used to have to prime all faces of the blue XPS boards and let it dry before fixing
never used to be, perhaps they have changed there recommendationsOnly the subfloor was primed and then top of the XPs - as you say this may be part of the problem
Yes as I said I followed the Tiler’s advice who said SLC wasn’t needed - cowboy tiler !You can not say you followed Harry's advice you left out levelling before boarding .
Good luck cutting out 150 mm squares with approx 50 mm wire spacings
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