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- 26 Nov 2017
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Hi all,
A plasterer recently performed quite extensive repair/infill work on some of our partition walls and elements of the ceiling. He used PVA when skimming. It's nice and smooth but not overly polished.
The PVA extends to around 6" outside of the repaired areas and there is bare skim within that. The skim is quite thick and was applied in two stages. It has fully gone off.
Nomally over bare plaster I'd use a mist coat of trade matt, but I'm concerned that if I do so, I'd reactivate the PVA leading to a mess. Considered Bullseye 123 but it's water based. Also considered BIN, but not sure if shellac is appropriate here and its very expensive.
Rather than spot prime, my plan was to thin some solvent based undercoat (Leyland) and apply it using a short pile roller to all walls/ceilings affected with PVA, in their entirity, to hopefully produce an even finish with subsequent coats of vinyl matt. My understanding is that I would need to allow the solvent based undercoat to go off fully (around 7 days) before applying any water based paints over it.
Am I on the right lines with this approach? I would appreciate any advice.
Thank you
A plasterer recently performed quite extensive repair/infill work on some of our partition walls and elements of the ceiling. He used PVA when skimming. It's nice and smooth but not overly polished.
The PVA extends to around 6" outside of the repaired areas and there is bare skim within that. The skim is quite thick and was applied in two stages. It has fully gone off.
Nomally over bare plaster I'd use a mist coat of trade matt, but I'm concerned that if I do so, I'd reactivate the PVA leading to a mess. Considered Bullseye 123 but it's water based. Also considered BIN, but not sure if shellac is appropriate here and its very expensive.
Rather than spot prime, my plan was to thin some solvent based undercoat (Leyland) and apply it using a short pile roller to all walls/ceilings affected with PVA, in their entirity, to hopefully produce an even finish with subsequent coats of vinyl matt. My understanding is that I would need to allow the solvent based undercoat to go off fully (around 7 days) before applying any water based paints over it.
Am I on the right lines with this approach? I would appreciate any advice.
Thank you