Insulating unvented attic

I am preparing to renovate my unvented attic after some damage from ice dams. The house is early 1800’s likely converted from a barn and added to over the years.… I am preparing to renovate my unvented attic after some damage from ice dams. The house is early 1800’s likely converted from a barn and added to over the years.…Read MoreGreenBuildingAdvisor