I am hoping we don’t have to tear down all of the exterior wall drywall to re-insulate the home if an interior vapor barrier is needed …. (Spray foam will not be a possibility because of chemical sensitivities in the home) – and would enjoy any ideas. If it DID https://rubber-insulation13579.idblogz.com/35781890/how-rockwool-insulation-can-save-you-time-stress-and-money