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

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 outlining how to retrofit an exterior wall and/or attic to provide continuous air sealing.

Guide describing options for designing and locating the thermal boundary at either the attic floor or along the roof line in new and existing homes.