I had the double glazing done from a cow boys double glazers, They
removed my wooden windows and fixed the new double glazed but did not
fill the gap between the walls and the window frame but covered it up
inside with strips. I only noticed when one of the strips fell off and
noticed a see through gap around the windows.
Can I fill them up with expanding foams please?
Depends on how big the gap is. If its 1/4" or more, get some foam "backer
rod" from Lowes or HomeDEE and squeeze it in there. If its less than 1/4"
use spray but get "minimal expanding" instead of triple expanding. Triple
will warp the windows. The white stuff works better than the yellow sticky
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