I have a few questions on doing this in regards to running electric, if the wall is filled with spray foam and a new outlets or switch in needed to be ran (adding a ceiling fan) will the dry wall need to be removed again and have the foam cut out making sure not to hit wires that are there?
How effective would this be if only a 1/4 or 1/2 inch is added then replace the fiberglass and replace the drywall?
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