do you need to sand new plaster before painting?
- Thread starter zanwan
- Start date
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no, if its been pastered well and has a smotth finish, then you dont need to sand it, its just a diy myth!! causes more trouble than it pretentds to solve! but make you sure you mist-coat it first!! this is just your normal matt paint with about 30% water in it for the first coat only. this allows the plaster to take in the moisture and prevents the other coats from peeling off.
Keith.
Yes you need to abrade the skim before application, it is the smooth and often shiny appearance that can cause a lack of penetration regarding future coats of paint.
Lightly abrade and dust off before painting.
Dec.
Yes you need to abrade the skim before application, it is the smooth and often shiny appearance that can cause a lack of penetration regarding future coats of paint.
Lightly abrade and dust off before painting.
Dec.
J
joinerjohn
My younger brother is a plasterer. Once on site a painter p***ed him off big time. Next day he spent hours trowelling up the top coat of plaster in the house he knew this painter was going to be doing. (He'd had a word with the site foreman who was up for the craic).
Painter had to spend a whole morning just sanding down the walls.
Painter had to spend a whole morning just sanding down the walls.
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I'm with you on this m8...
Mistcoated miles of bare plaster in my time, just a scrape and light sand on obviously shiny patches. But never did sand all those miles ...
I
Ianthedecorator
If like you say your lining over etc , just a light scrape of any nips here and there ,a coat of your paste out of bucket ,have a quick brew then paper ,thats it job done ! sanding large areas of fresh plaster is not recommended !!
I always sand new plaster with 180g on a sander connected to a dust extractor.
i find it quicker/cleaner than using a heavily thinned mist coat. It also has the advantage of dusting off any crap left by other trades.
I then apply my 10% dilute.
Horses for courses I guess
i find it quicker/cleaner than using a heavily thinned mist coat. It also has the advantage of dusting off any crap left by other trades.
I then apply my 10% dilute.
Horses for courses I guess
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