Forum Title: Insulating A 2x4 Wall.
Hello all, I am about to start a project in Philadelphia that includes a new kitchen. The current walls are plaster and the homeowner would like this torn down and drywall to be put up. The walls are brick and we need to insulate the walls we build before we install drywall. I would like to keep it a 2x4 wall but with r13 we still need some more insulation. Is it up to code if we put 1 foam board directly on the brick and then a 1 air space with a 2x4 wall and r13 batt insulation. Thank you in advance!
Category: General Contractor Post By: SHARON WHITE (Jackson, TN), 03/09/2018

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