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

Guide describing how to upgrade walls that separate the garage from the house by providing a continuous air control layer on the garage side of the wall and adding rigid foam insulation.

Guide describing how to insulate closed crawlspace walls and band joist areas with rigid foam board insulation.

Guide describing how to insulate a basement to improve the overall thermal performance of the building and provide more dry, usable conditioned space for home occupants and HVAC equipment.

This guide describes how to install a rigid air barrier to separate the porch attic from the conditioned space.

This guide describes how to install a rigid air barrier to walls behind showers and tubs.

Guide describing insulation techniques for skylight shaft walls.

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

Guide describing how to insulate a floor overhang (or cantilever) on an existing home by adding insulation and an air barrier to air seal the floor joist bays under the cantilever.

Guide describing how to insulate and air seal the floor joists over a garage when there is loving space above the garage.

Guide describing how to re-roof an existing home with a sloped roof and add insulation above the roof deck.

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

Guide describing how to correctly air-seal a wall with missing top plates or open wall cavities.

Guide describing how to air seal and insulate fiber board ducts.

Guide describing how to apply spray foam insulation to the floor of the attic in existing homes.

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

Guide describing ways to seal drywall to the top plate of an exterior wall to air-seal the wall cavity.

Guide describing how to air-seal sill plates in single-family homes and multifamily buildings.

Guide describing how to air-seal around plumbing and piping penetrations through walls, ceilings, and floors.

Guide describing how to air-seal bathroom and kitchen exhaust fans.

Guide describing how to air-seal electrical wiring throughout a home.

Guide describing ways builders can block off entry points and otherwise make homes inhospitable to all manner of pests.

Guide describing how to air-seal doors that are next to unconditioned spaces.

Guide describing ways to air-seal an attached garage in new and existing homes.

Guide describing how to air-seal the rough openings around doors and windows.

Guide describing how to air-seal around light tubes.

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