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Guide describing how to air seal and insulate metal ducts.

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

Guide describing how to air seal and insulate flex ducts.

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

Guide describing how to insulate a vented attic in an existing home using blown insulation added to the attic floor.

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

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

Guide describing wind washing and how to prevent it.

Guide describing methods for insulating an unvented crawlspace or conditioned basement with rigid foam on the interior side of the walls to provide an insulated space for HVAC equipment.

Guide describing insulation techniques for skylight shaft walls.

Guide describing how to apply spray foam insulation to ceilings in existing homes.

Guide describing how to create a capillary break at all crawlspace floors using polyethylene sheeting to manage moisture in crawlspaces.

Guide describing how to upgrade a crawlspace floor in an existing home by adding insulation.

Guide providing guidance on insulating attic eaves in new and existing single-family homes and multifamily buildings.

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

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.

Guide describing how to add spray foam insulation to the underside of the existing roof deck as part of the conversion of a vented attic to an unvented, insulated attic.