Block wall exterior insulation and vinyl siding

Climate zone 5.  Unfinished above ground block walls.  I am converting a vacant building into a small dwelling.  I want to buy some reclaimed Polyiso and install 3″, in some… Climate zone 5.  Unfinished above ground block walls.  I am converting a vacant building into a small dwelling.  I want to buy some reclaimed Polyiso and install 3″, in some…Read MoreGreenBuildingAdvisor