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Guide describing how to install stucco over rigid foam insulation in new and existing homes.

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 insulate an existing foundation wall by adding spray foam insulation to the interior side of the wall.

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

Guide describing how to insulate slabs on grade in climate zones 3 and higher.

Guide describing blown insulation into exterior wall cavities of existing homes with minimal disruption to occupants.

Guide describing the installation of insulating sheathing above the roof deck on existing homes. This retrofit assembly is appropriate for homes with conditioned attics or where the retrofit is intended to create a conditioned attic.

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 describing how to insulate a new foundation wall or an existing foundation wall by adding rigid insulation to the exterior side.

Guide describing how to install and properly integrate flashing at the intersection of the wall and roof on an existing home.

Guide describing continuous rigid insulation installation procedures to reduce thermal bridging and help provide thermal protection.

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.

Guide describing how to insulate the sill beam or sill plate on the exterior side in a way that allows drying to the exterior, as part of an exterior wall upgrade.

Guide describing how to provide a continuous water control layer across the roof assembly by sealing all penetrations for pipes, vents, etc. in existing roofs.

Guide describing how to insulate the walls of an existing home with spray foam insulation.

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

Guide describing the design and installation considerations for recladding of above grade walls using insulated vinyl siding.

Guide describing how to install slab edge insulation when retrofitting existing slab-on-grade foundations.

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

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

Guide describing how to install spray foam on the exterior of the existing home after framing over the existing siding.

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

Guide describing methods for insulating an unvented attic along the roof line.

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.

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