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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 describing how to insulate the wall cavities of an existing home with spray foam.

Guide describing how to frame and insulate exterior-to-interior wall intersections to reduce heat losses and gains though structural framing.

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

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

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

Guide describing construction and insulation techniques for double wall framing.

Guide describing how to retrofit older solid masonry homes to withstand seismic activity while including energy-efficient retrofits.

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 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 properly insulate garages in multifamily buildings.

Guide describing ways to construct wall assemblies in cold climates to minimize the likelihood of condensation formation inside the walls.

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 slabs on grade in climate zones 3 and higher.

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

Guide describing RESNET Grade 1-level installation of insulation in walls, attics, and floors.

Guide describing how to insulate plumbing pipes.

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

Guide describing techniques for installing insulating sheathing as a continuous drainage plane on walls.

Guide describing air barrier installation, insulation installation, and air-sealing for double walls (half or full walls included in a home design as an architectural feature that provides a more dimensional appearance).

Guide describing how to insulate headers over doors and windows to reduce heat loss and heat gain through solid wood framing.