Are these cracks a structural issue or just change of temperature?
They seem to become smaller in the cooler weather and more noticeable in warmer weather.
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Where are they? We need a very zoomed out picture.– DMooreCommented Feb 27, 2021 at 1:24
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I'm guessing those are plaster walls not sheet rock and they are caused by the seasonal expansion of framing due to heat and humidity.– RichCommented Feb 27, 2021 at 3:02
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I zoomed in so you can see them, yes it is plaster. On an extension to the house.– Billy LCommented Feb 27, 2021 at 8:03
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1 Answer
Those appear to be very tiny cracks and without some other evidence to suggest that there is some structural issue here, I'd say they are cosmetic.
Look for things like windows no longer opening or closing easily, doors not fitting in their frames properly, bulges in drywall, cracks that get wider as time passes.
