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 how to frame and insulate corners to reduce the heat loss and gain though structural framing.

Guide describing application of a radiant barrier layer in the attic to block radiant heat transfer between hot surfaces and heat-absorbing surfaces.

Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.

Guide illustrating how to insulate a floor over unconditioned space with conditioned space above by adding insulation and air sealing.

Guide with information about how to upgrade a garage ceiling when a portion of the interior of the house is located directly above the attached garage by adding insulation and air sealing.

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