What is the best way to insulate an exterior wall that used to be an interior wall?


How can I insulate an interior back wall that is NOW an exterior back wall?

Sabrina Ross Published: Sept. 21, 2020, 10:55 a.m.Last updated: Sept. 22, 2020, 2:44 p.m.

I had an interior porch torn down and had an exterior porch built. Now the back wall to the building is letting in cold air. I need to insulate the building.

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