Revisions log for Answer #1467
This is the answer to the question Why do windows make a crackling noise in the evening?
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2022‑08‑07 12:01
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Initial text
Maybe when the timber gave shrinkage, maybe a little warping of the jamb.
The problem is exacerbated by the black membrane on the outside actively absorbs infrared radiation from the sun warming the perimeter of the opening and the window frame and increasing temperature expansion and movement in the opening. Try to cover the perimeter of the opening with white opaque material such as Isospan A in strips 20-30cm wide.