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Strange paint streaks or stains in newly painted room
Posted: Mon Mar 27, 2023 5:02 pm
by Forestman
We recently painted 2 rooms, and these strange stains have appeared after the paint dried. They look like water/condensation drips, but we have no condensation issues in either room.
Totally baffled as to the cause, and therefore what to do to fix.
Wisdom very much appreciated!
Re: Strange paint streaks or stains in newly painted room
Posted: Mon Mar 27, 2023 7:17 pm
by haringeysashwindows
What paint did you use and what paint was there before?
Did you do any prep beforehand or just painted on?
was the previous paint glossy finish? Old / new ?
Re: Strange paint streaks or stains in newly painted room
Posted: Tue Mar 28, 2023 9:40 am
by Forestman
haringeysashwindows wrote:What paint did you use and what paint was there before?
Did you do any prep beforehand or just painted on?
was the previous paint glossy finish? Old / new ?
We used Dulux Walls & Ceilings.
Prep was to clean with soapy water.
Previous paint is glossy and not sure on how old, done by the owners before us.
Re: Strange paint streaks or stains in newly painted room
Posted: Sat Sep 09, 2023 5:31 am
by indianshelf321
As you mentioned the previous paint was glossy, which means that it was probably oil-based paint. Oil-based paint is not compatible with water-based paint, so when you applied the Dulux Walls & Ceilings, which is a water-based paint
, the surfactant leached out and caused the stains.