Frazer G Posted October 12 Share Posted October 12 I have a wall, which is an ex-chimney breast, in a 1890's property which a previous owner has botched somewhat. From tapping the existing plaster seems well attached but has been painted with unknown emulsion paint. The last would probably have been recent so modern vinyl or similar. My options seem to be to skim the whole surface or apply plasterboard to the surface with dot & dab with mechanical backup and then skim. The reason for the two options is I am not sure how well plaster (dot & dab or skim) sticks to painted surfaces. I should say the paint is sound, no peeling, dusting etc - it just looks a mess! My preferred option would be to skim the existing but I do not want to find it lifting off in a couple of years. Experience of plaster sticking to paint is my missing knowledge!! Link to comment Share on other sites More sharing options...
joe90 Posted October 12 Share Posted October 12 If your worried about plaster sicking to the paint then scrape it off or score it lots, Link to comment Share on other sites More sharing options...
Frazer G Posted October 12 Author Share Posted October 12 (edited) I have a "tool" for scouring wall paper - would that be good enough to prepare the painted surface as you suggest? To be fair to the previous owner, you can't scrape the paint off. As a painted surface it is perfectly OK - it is just the paint has been applied to a bodged plastering job. Edited October 12 by Frazer G Link to comment Share on other sites More sharing options...
joe90 Posted October 12 Share Posted October 12 My plasterer used to use SBR prior to plastering to suspect surfaces. Link to comment Share on other sites More sharing options...
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