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

Guide describing how to upgrade a wall with a floor overhang (or cantilever) on an existing home by adding insulation (rigid insulating sheathing and/or closed-cell spray foam) 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 describing how to insulate a vented attic in an existing home using blown insulation added to the attic floor.

Guide describing how to air seal around duct shafts and flues installed through ceilings, walls and flooring in new and existing homes.

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

Guide providing information about treating bulk water drainage issues and moisture control measures in existing basements and crawl spaces.

Guide describing how to retrofit an existing basement floor or slab to reduce moisture issues.

Guide describing how to air-seal and insulate a cantilevered floor.

Guide describing appropriate flooring for wet areas of the home.

Guide describing how to insulate an existing slab floor by adding rigid foam insulation over the slab then installing a floating subfloor.

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 describing how to air-seal duct and flue shafts.

Guide describing principles of insulating and air sealing band joists as a stand alone energy upgrade, or as part of creating a closed crawlspace.

Guide for designing and installing interior ducts in an interstitial floor cavity in new and existing homes.

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