Insulating exterior electrical box from inside
JakeNY
| Posted in General Questions on
In my laundry room wall is the electrical box for one of my exterior lights. That wall cavity is open and I would like to insulate it from the inside. Getting it from the outside is difficult for me because of obstacles.
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Replies
Jakeny,
You may not gain much by insulating a single electrical box, but you can certain air seal it using caulk or low-expansion foam.
Jake,
If your stud bay is open, the usual rules apply: Caulk any obvious air leaks (including leaks through the back of the electrical box), and then install insulation in the stud bay.