Spray foaming attic floor instead of roof sheathing

Climate Zone 6A – A friend with a tight budget is getting new roof sheathing and shingles due to hail damage. The home is 60+ years old, drafty, with minimal… Climate Zone 6A – A friend with a tight budget is getting new roof sheathing and shingles due to hail damage. The home is 60+ years old, drafty, with minimal…Read MoreGreenBuildingAdvisor