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 how to air seal and insulate a ceiling.

Guide describing how to air seal duct and flue shafts.

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 describing how to insulate and air seal dropped ceilings and soffits to prevent air leakage.

Guide describing how to create an air barrier between the garage and the conditioned space above it to prohibit pollutants from entering a home's interior.

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

Guide describing how to install insulation below attic platforms

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

Guide describing insulation techniques for skylight shaft walls.

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

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.

Guide describing wind washing and how to prevent it.