I am hoping we don’t should tear down all of the outside wall drywall to re-insulate the house if an inside vapor barrier is necessary …. (Spray foam just isn't an option as a result of chemical sensitivities in the home) – and would respect any views. For my basement https://rockwoolinsulation92470.blogmazing.com/34393833/5-tips-about-rubber-insulation-you-can-use-today