This guide provides information about installing 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 a method for insulating an unvented attic by spraying foam insulation along the underside of the roof deck.
Guide describing the installation of gutters, downspouts, and alternate options for managing rainwater run-off from roof.
Guide describing how to apply heavy membranes at eaves in cold climates to help guard against ice dams. This measure applies to cold climates only.
Guide describing how to apply heavy membranes at valley/roof deck penetrations in wet climates to help drain water away below the roofing.
Guide describing how to correctly choose building materials.
Guide describing how to insulate closed crawlspace walls and band joist areas with rigid foam board insulation.
Guide describing how to install step and kick-out flashing on roofs.