Attic Radiant Barriers Description Guide describing application of a radiant barrier layer in the attic to block radiant heat transfer between hot surfaces and heat-absorbing surfaces.
Batt Insulation for Existing Vented Attics Description Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.
Insulating and Air Sealing Existing Floors above Unconditioned Spaces Description Guide illustrating how to insulate a floor over unconditioned space with conditioned space above by adding insulation and air sealing.
Rigid Foam Insulation for Existing Exterior Walls Description Guide describing how to apply an air control layer directly over existing wall sheathing and cover with two layers of insulating sheathing held in place by vertical furring strips.
Roof/Attic to Exterior Wall Air Control Upgrade Description Guide outlining how to retrofit an exterior wall and/or attic to provide continuous air sealing.