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how smooth should a wall substrate be?
Posted: Sat Jul 05, 2014 5:03 pm
by serendipityfox
How smooth should a wall substrate be prior to tiling- there are some small voids, cracks and remnants of the previous tile adhesive on the walls. What is the the tolerance for smoothness +/-1mm?
Re: how smooth should a wall substrate be?
Posted: Sat Jul 05, 2014 5:37 pm
by toolbox
Cracks voids (unless they are an inch or more across!) are not a problem but "nibs" and blobs of old tile adhesive should be removed they will cause problems when you are trying to get a level tile finish
Re: how smooth should a wall substrate be?
Posted: Sun Jul 06, 2014 2:52 pm
by serendipityfox
thankyou