BASC Search

Guide describing the installation of insulating sheathing above the roof deck on existing homes. This retrofit assembly is appropriate for homes with conditioned attics or where the retrofit is intended to create a conditioned attic.

Guide describing how to re-roof an existing home with a sloped roof and add insulation above the roof deck.

Guide describing ways to retrofit an existing roof to increase its resistance to damage during hurricanes, high winds, and earthquakes.

Guide discussing disaster resistance related to asphalt shingle roofing when installing roofing on new construction or when repairing or replacing roofing on existing homes.

Guide discussing how to install metals roofs to resist damage from high winds, hurricanes, ice, and wildfires.

Guide describing how to apply an air control layer directly over existing wall sheathing and cover with two layers of insulating sheathing held in place by vertical furring strips.

Guide describing techniques for installing insulating sheathing as a continuous drainage plane on walls.