Emulsion, watered down emulsion or PVA?
- posted
9 years ago
Emulsion, watered down emulsion or PVA?
Wait until plaster is dry. Then watered down emulsion. There are also special paints for this purpose.
PVA can prevent some paints from wetting the surface afterwards.
On 28 Nov 2014, snipped-for-privacy@cucumber.demon.co.uk (Andrew Gabriel) grunted:
Yeah, I once had this.... after the emulsion had dried you could peel it off with your fingers :(
In message , Broadback writes
Watered down emulsion for the first coat.
I used PVA once I think but IIRC the first coat of emulsion didn't go on so well, so still needed to do as much
1st one.
Cheap white matt (for ceilings), 10% water, or until it seems "right".
Fresh dry(*) plaster will pull the mositure out of neat emulsion and it'll only form a peelable skin. PVA see other comments. Dilute emulsion is the best bet, 5% water IIRC but look on the can it should say.
(*) Dry as in at least a month since it was applied in a heated and ventilated place. Just a skim might be dry enough after a week.
Dulux Supermatt, let down 1 water to 5 paint. Excellent stuff and fine on plaster that is still drying.
using water's far quicker. Slosh a coat on, wait 5 mins then paint with full strength emulsion. Its far quicker cos it doesnt matter a bit if you get water drops here and there.
NT
Yep, Had the same experience. Got round it by mixing PVA with the emulsion.
PVA is good if you're going to paper the wall afterwards.
I've never had a problem painting new plaster straight from the can. However, I've never used the thick gloop/non-drip type paints.
/However, I've never used the thick gloop/non-drip type paints/q
Geee what a cliffhanger.....
Jim K
I always use B&Q plaster sealer. I don't get much from B&Q but that has always worked so I keep using it. Not sure what it is made of, doesn't smell like PVA though. They are now saying it is made by "Peek" but could be on of their made up brands. Simon.
I've just painted our "en-suite" bathroom, and I treated the plaster with dilute PVA before painting.
Yes, the requirement is to have it sufficiently dilute that it does not form a skin but just soaks in. Simon.
And whether it does that depends to some extent on the plaster. Last room I did had been so highly polished by the plasterer that I had to scrub the first coat of paint to get it to take.
Artex Sealer.
I used some in our bathroom on old plaster that had been newly revealed, new plaster and bare plasterboard. Then left it for rather longer than I had meant to. Final fixing tiles and painting was easy. And, despite being in a bathroom, none of the surfaces suffered any damage whilst left with only this sealer on.
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