NOT KNOWN DETAILS ABOUT RUBBER INSULATION

I am hoping we don’t have to tear down all of the outside wall drywall to re-insulate the home if an inside vapor barrier is needed …. (Spray foam isn't an option on account of chemical sensitivities in the house) – and would respect any thoughts.Mark F. - Martin H. is right to indicate that eradicating the sheathing would need a number of la