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Painting & Decorating

painting over wall covered with rock glue

Anonymous user 03/03/2024 - 3.10 PM

I had polystyrene insulation on walls (put on using wall rock) I've taken it off I have put on 3 coats of emulsion paint on the walls but its not covering properly> Do you know why? Thanks Kerry

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2 Answers

MT Decorators

Rating: 5 out of 5
Keighley
Hi Kerry, the emulsion will not cover the substance that was on the wall. 2 options really: 1) rub down walls (a lot) apply lining paper nd then paint 2) Rub down walls (a lot) apply some zinseer primer to said walls. Then apply 2 coats of emulsion to walls. The second option will be the dearest but the most effective
Answered14 November 2014
0

GP Decorating

Rating: 4.8 out of 5
Arbroath
Why did you take off the insulation lining??? best bet is to rub all the walls down & coat with Zinsser B.I.N. it's a Shellac based sealer & will stick to anything. Around £80 for 5 lts then just treat as normal wall.
Answered12 February 2016
0