Plasterer is painting pva to painted walls...ready for plastering. .
But pva is not sticking to paint...it's reacting to what ever paint has been used...any solutions?
Try using sbr first or scrapping paint off
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Blue grit the wall then over skim the wall
Clean the surface, scratch the paint gently giving 2coat of stronger pva given some time in between the coats
First check the wall, apply pva and plaster ..... after this start painting
The easier solution is to try blue grit and allow 24 hours to dry then skim.if this dont work use course sand papper to score the paint ..if not desired then remove old plastering
A great solution to this is to buy blue grit and apply to the walls which will stick to basically anything and gives us a good key to plaster onto
Pva won't stick on paint, you need to get SBR Its nether tip off pva
Strip the paint back as much as possible
You can use a pva called Thistle Bond-it
This has a grit in to use on low suction backgrounds
If its been painted with lime it needs to be washed down and then glued.
If the paint is flaking try taking it off, if not use blue grit
It's because there is low to no suction in the walls due to type of paint he needs thistle bond it or dry line the wall
Does the paint have a gloss to it? For non porous surfaces use Feb blue grit. Apply with a brush or roller to required area leave overnight then skim straight on top