I removed the trim to do some work on the drywall around the window. The trim was held in place with an adhesive strip and caulking. There is a 1/4" gap around the window 2" deep.
Should I put some type of insulation in there and find some new adhesive tape?
From that picture I'm not seeing a wide enough gap to get an expanding foam tube in the gap. It should have been done before the tile went up.
A 4-1/2" angle grinder with a diamond blade could be used to open up the gap in a few places so it will slip in.
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