Exterior Walls / Discussions

...exterior walls intact, but I wouldn’t do that with just 2 inches of rigid foam insulation. 2 inches of EPS rigid foam would be a vapor barrier, but it’s not thick enough to protect your wall properly.  Have you ever heard of the 2/3rds rule? That refers to keeping at least 2/3rds of your insulation outside of your vapo...

...walls or can they be brought to exterior basement walls that have been insulated using EPS + wood stud + mineral wool? The interior basement walls have been insulated with 2" of EPS (R-10) and then wood studs constructed against the eps and filled with mineral wool insulation (R-14). Can plumbing supply lines be run to...