Hello dear forum,
we have light/white spots on our anthracite-colored uPVC windows that, in my opinion, come from the plastering. Although everything was carefully masked and covered, there are spots on almost every window frame. We have tried everything from water to all-purpose cleaner. The spots keep reappearing after they dry. As mentioned, we are not sure if they really come from the plaster, since some are located in places that were 100% masked off. Do you have any ideas or tips on how to deal with this?
we have light/white spots on our anthracite-colored uPVC windows that, in my opinion, come from the plastering. Although everything was carefully masked and covered, there are spots on almost every window frame. We have tried everything from water to all-purpose cleaner. The spots keep reappearing after they dry. As mentioned, we are not sure if they really come from the plaster, since some are located in places that were 100% masked off. Do you have any ideas or tips on how to deal with this?
opalau schrieb:
Which manufacturer are your windows from and what was the product name?The windows are from Feba, but I don’t know what the product was.
Kind regards,
Sabine
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Prüschnecken6 Feb 2023 20:48Alessandro schrieb:
Hello dear forum,
we have light/white spots on our anthracite-colored uPVC windows that, in my opinion, come from the plaster.
Even though everything was very carefully taped and covered, the spots are on almost every window frame. We have tried everything from water to all-purpose cleaner.
The spots keep coming back after they dry. As mentioned, we are not sure if they really come from the plaster, since some spots are in areas that were 100% taped off.
Do you have any idea or tip on how to deal with this?

Hello, we have exactly the same problem. Was there a solution for you? How did you handle it? Thanks for the help
It was caused by the adhesive tape. It stayed on for a long time and was exposed to sunlight. Unfortunately, it can no longer be completely removed!
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Hausbau_23_2422 Feb 2024 04:24Hausbau_23_24 schrieb:
Hello everyone, we have the same problem. It almost seems like it only appears where the exterior plasterer cleaned up afterward. I have tried quite a few things already, do you have any new solutions? I’m really desperate!
Thank you very much! Let’s be honest. These aren’t stains; the surface looks completely ruined and like it has been on the south side for 30 years.
ypg schrieb:
Honestly. Those are not just stains; the surface looks totally ruined and like it’s been on the south side for 30 years.Yes, there are also spots that look like paint splashes. I suspect the surface is a stonewashed leopard print foil meant to "imitate" a roughly sawn silver-gray stained wood pattern (?)https://www.instagram.com/11antgmxde/
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