Filling a large gap in insulation
I’m removing an old intercom system from a clients house as part of a small remodel. One of the intercom units is on an outerwall (in an area of the house that I’m not otherwise working on). I removed the unit and to my dismay there wasn’t any insulation. There is insulation throughout the rest of the wall. The original builder must have not put insulation between the studs on this section to leave room for the wiring of the intercom (I know. Really?). I’d rather not take down the wall board, mostly so I don’t have to touch this part of the house to keep the costs down.
Any suggestions for how to fill this gap without removing the wall board?
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