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Foundations & Floors


Solution Center Guides


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 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 and insulate the floor above an unconditioned basement or crawl space.

Guide illustrating 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 rigid insulating sheating and or closed-cell spray foam 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 describing ways to reduce access to bugs, rodents and other pests through openings in a home.

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

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

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