Because I saw another insulation post I thought I could ask one here. I have 2x6 stud walls. The breaker box is about 3 inches deep so there is a gap of about 2 inches or more behind it without insulation. This is on an exterior wall of the house but inside of course. Can I put insulation behind the box, foam or fiberglass or is that a safety issue?
Insulation behind breaker box
- Thread starter yanmars
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dlctcg
Platinum Member
Insulate it...
Our insulation contractor insulates behind the panels on all our projects... Inspectors would call us out on it if it didn't have any, even though it won't meet code for required R-value, they want to see it there.
Our insulation contractor insulates behind the panels on all our projects... Inspectors would call us out on it if it didn't have any, even though it won't meet code for required R-value, they want to see it there.
MAX-24-Dean
Veteran Member
I use rockwool behind electric panels, you can buy small quanties online. Or go to ZORO.com or McMaster-Carr and buy a 2x4 sheet and cut and stack to the thickness you want.
Rock wool is harder to distort in tight places and because of this it maintains its R-Value.
Rock wool is harder to distort in tight places and because of this it maintains its R-Value.
bdhsfz6
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I used fiberglass with a vapor barrier to keep condensation from forming on the back of the panel. It's worked fine for 40 years now.
DarkBlack
Elite Member
If you’re trying to install a breaker panel flush in a 2x6 wall, you have more than just the box to contend with, regarding wall insulation. You have to consider, where and how all the wiring is going to pass through the insulation to and from the panel.
