Ok, strange one. My customer was advised to chalk his walls. He has removed the old tiles and adhesive in the kitchen which, luckily, has left the walls in a fairly straight condition. But he had bought tubes of chalk and kind of applied it like you would with plaster to the whole wall. I have just used an aycrlic primer diluted 1:1 as per instructions, but this has weakened the chalk meaning I can basically scrape it of with my fingers. Any advice please? Using bal green star, 150 x 150 ceramic (cheap) tiles. Thank you
Substraight advice for splashback
- Thread starter Anthony Wills
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Time's Ran Out
Yes scrape it all off and reprime the bare plaster.
Tried to get it off but it's left the substraight in a pretty crap state. No plaster in places. So I either try and scrape of all the plaster, cut out the plaster board and reboard or overboard with 3mm? Backer board.
Or is 6mm the smallest?
D
Dumbo
4mm is pretty easy to get hold of
Update: the customer has spoken to his Dad, who gave the chalking advice. His Dad is a painter and decorator and has now said, "just PVA it, then when it's dry you can tile it, that's what i did in my bathroom" 
I've explained that you don't use PVA for tiling.
It turns out the rest of the chalk came of easy, so I'm going to re-skim one area, then tile when it's gone off....using acrylic primer of course
I've explained that you don't use PVA for tiling. It turns out the rest of the chalk came of easy, so I'm going to re-skim one area, then tile when it's gone off....using acrylic primer of course
There are similar tiling threads here
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