Is it OK to put 1 inch of EPS under vinyl siding with no wall insulation?
...EPS under floors.
Walls have no insulation, siding is T-1-11 from the sixties would like to put 1 inch EPS under vinyl siding. the building is pretty well built. no sagging parts no gaps no structural issues, drywall in good shape. would the 1 inch EPS under vinyl siding be a problem with condensation on inside of wall...