ᐅ Light streaks on fresh interior plaster – potential future cracks?
Created on: 5 Mar 2022 20:47
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MiCasaEsSuCasa
Good evening everyone!
Our interior plaster has been drying for about 2 weeks, and relatively soon after that, these light lines appeared. (See photos) Diagonally at all corners and around all windows, but also on walls without windows, where they are more horizontal. So basically, every plastered wall now has these lines. At the moment, they are only lines, not cracks. I assume these might develop into cracks eventually, or is that not necessarily the case? Could this be caused by missing reinforcing mesh angles?
Have a good evening everyone, and thank you for your answers!
Our interior plaster has been drying for about 2 weeks, and relatively soon after that, these light lines appeared. (See photos) Diagonally at all corners and around all windows, but also on walls without windows, where they are more horizontal. So basically, every plastered wall now has these lines. At the moment, they are only lines, not cracks. I assume these might develop into cracks eventually, or is that not necessarily the case? Could this be caused by missing reinforcing mesh angles?
Have a good evening everyone, and thank you for your answers!
Myrna_Loy schrieb:
I guess this is normal for the horizontal lines. The wall beneath the plaster probably has joints, and the plaster dries faster there, making it appear lighter. That doesn’t make sense to me. Why would only a few lines appear? If that were the case, shouldn’t all the joints be visible?
The diagonal lines around the windows surely have nothing to do with joints. Who would cut the bricks diagonally there?
Do the horizontal lines run across the entire length of the wall?
What does the site manager say?
HausiKlausi schrieb:
To be honest, I wouldn’t worry about that. Even with properly executed construction, a large house will move by micrometers continuously depending on location, soil, and conditions. The plaster is the first to show this. However, this is far from situations where it is structurally or technically significant. The issue isn’t whether the building is at risk of collapse, but whether everything has been done correctly.
Any possible cracking in the shell or new construction should definitely be questioned.
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MiCasaEsSuCasa30 Mar 2022 21:40A small update: more and more lines have appeared, which are now small (hairline?) cracks. The site manager says they will close up as the building heats up. Logically, I would rule that out. If anything, they are more likely to get bigger. However, he also said that if the cracks remain, the plasterers will come back. At the moment, mold is our bigger problem (see another thread). oh man…
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MiCasaEsSuCasa30 Mar 2022 22:35driver55 schrieb:
Is there any picture update?
Cracks can appear if the plaster dries too quickly, which probably wasn’t the case with the mold. 😕
Did the site manager give any reason?Yes, drying too fast is definitely not our issue. :/
This is how it looks now:
All walls, with or without windows, have lines and cracks. Diagonal, horizontal, or vertical — there’s a bit of everything.
The site manager’s explanation: settlement cracks. However, especially regarding the diagonal cracks near the windows, I have come across the term “notch cracks.”
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