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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 describing a complete window replacement in existing homes.

Guide describing installation of a fully sealed continuous weather resistant barrier to help drain water away from above-grade walls.

Guide describing how to repair or replace skylights in existing homes. 

Guide describing how to apply flashing to the bottom of exterior walls to create a continuous drainage plane.

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 install step and kick-out flashing on roofs.

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

Guide describing the design and installation considerations for recladding of above grade walls using insulated vinyl siding.

Guide with details about how to provide a continuous water control layer across the roof assembly by sealing all roof penetrations in existing homes.

Guide describing how to insulate the sill beam or sill plate on the exterior side in a way that allows drying to the exterior, as part of an exterior wall upgrade.

Guide with information about how to install flashing integrated with air and water control layers around piping, vents, and other wall penetrations as part of an exterior wall retrofit.

Guide describing an approach to re-roofing an existing flat roof to improve thermal, water, and air control performance.

Guide describing how to re-roof an existing home with a sloped roof.

Guide describing how to install and properly integrate flashing at the intersection of an existing wall and an existing intersecting roof