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Guides A-Z

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 providing information about constructing a roof with full insulation at the eaves, and insulating eaves in existing homes.

Guide describing options for designing/locating the thermal boundary in new and existing homes.

Guide describing how to install insulation below attic platforms

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

Guide describing wind washing and how to prevent it.