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Guide providing guidance on insulating attic eaves in new and existing single-family homes and multifamily buildings.

This guide describes how to install a rigid air barrier to separate the porch attic from the conditioned space.

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

Guide describing methods for insulating an unvented attic along the roof line.

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 add spray foam insulation to the underside of the existing roof deck as part of the conversion of a vented attic to an unvented, insulated attic.

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