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Paint reacting with what?
ka7e
Posts: 3,168 Forumite
I have recently had my kitchen repainted in Dulux emulsion and it has all gone horribly wrong!
Various areas needed replastering or filling and these were done prior to painting. The chap who did the actual painting washed everything down with sugar soap, though he didn't'seem to use a lot (less than a bottle of the ready mixed spray). Within 24 hours of the first coat being applied, there was a bubbling/blistering reaction in places. These were all over the chimney breast wall, the adjacent alcoves and 2 feet of the walls either side.The paint was sanded off and a coat of oil-based paint was used as a sealant.
Two coats of emulsion were applied but over the course of the next few days large grease-like stains appeared. In desperation we tried some damp sealant over the affected places, but after a couple of days the marks returned and spread. Sugar soap doesn't remove them.
The marks look like dampness coming through, but they are actually dry and the paint is powdery in parts. They seem random but are worse on the insides of the alcoves. The rest of the kitchen is unaffected.
I don't know how to resolve this problem - everything we've tried has made it worse. A plasterer has said the only thing to do is take all the plaster off as there seems to be a fundamental problem with it being the original Victorian plaster with horsehair. At one stage the walls were also distempered.
Does anyone know if there I another remedy available? The expense of knocking off and replastering a 12 x10 wall with alcoves is likely to be £££?
Various areas needed replastering or filling and these were done prior to painting. The chap who did the actual painting washed everything down with sugar soap, though he didn't'seem to use a lot (less than a bottle of the ready mixed spray). Within 24 hours of the first coat being applied, there was a bubbling/blistering reaction in places. These were all over the chimney breast wall, the adjacent alcoves and 2 feet of the walls either side.The paint was sanded off and a coat of oil-based paint was used as a sealant.
Two coats of emulsion were applied but over the course of the next few days large grease-like stains appeared. In desperation we tried some damp sealant over the affected places, but after a couple of days the marks returned and spread. Sugar soap doesn't remove them.
The marks look like dampness coming through, but they are actually dry and the paint is powdery in parts. They seem random but are worse on the insides of the alcoves. The rest of the kitchen is unaffected.
I don't know how to resolve this problem - everything we've tried has made it worse. A plasterer has said the only thing to do is take all the plaster off as there seems to be a fundamental problem with it being the original Victorian plaster with horsehair. At one stage the walls were also distempered.
Does anyone know if there I another remedy available? The expense of knocking off and replastering a 12 x10 wall with alcoves is likely to be £££?
"Cheap", "Fast", "Right" -- pick two.
0
Comments
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Did you give the new plaster sufficient time to dry out?
was there possibly a lot of PVA on the walls from the plastering?
It's not great either painting water based paints on top of oil based paints without suitable preparation.0 -
A small area was plastered and sized with PVA, but this problem covers a much wider area. We have successfully used oil-based paints before, to cover water stains etc. I'm wondering if we had a rogue tin that is somehow separating out under the emulsion. But have no idea how to rectify it."Cheap", "Fast", "Right" -- pick two.0
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It sounds like your walls need stabilizing. As its your kitchen, you will find that there will be grease soaked into the walls. If its an old house, thete may well be distemper on the walls. Pva isn't necessarily the best for covering grease etc.
Something like a Pegalink may be ideal.Eat vegetables and fear no creditors, rather than eat duck and hide.0
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