Insulating basement wall
When we bought our house the owner had an interior french drain installed because of some water intrusion. The company that installed the drain cut the finished drywall and studs to remove the bottom 2-2.5 ft of the wall. We’d like to refinish the basement and have the wall rebuilt. The remainder of the wall has batt insulation.
Ideally we’d like to tear the remaining studs and drywall out and put XPS up on the wall behind new studs but that’s cost prohibitive so we’re just going to rebuild the bottom section of the wall. Should we use XPS behind the rebuilt bottom section of the studs or just use batt for that section since everything above the 2-2.5 ft mark is already batt? One wall is below grade and the other is completely above. We live in PA if that matters.
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