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 for HVAC equipment.
Guide describing how to air seal the gap between the drywall shaft wall (i.e., common wall) and the structural framing between units in multifamily housing.
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.
This guide describes installation procedures for continuous rigid insulation to help provide thermal protection and reduce thermal bridging; depending on the product it may also serve as structural sheathing, or the moisture control layer.
This guide describes air barrier and insulation installation, along with 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 installation of a fully sealed continuous weather resistant barrier to provide a drainage plane to keep rainwater out of above-grade walls.
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 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.
Vapor retarder plastic should not be installed over fibrous insulation on basement or crawlspace walls unless rigid foam or spray foam is installed directly against the concrete, behind the blanket insulation.
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 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 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 the types of whole-house fans, installation details to reduce energy loss, and how to operate them for comfort and energy savings based on climate zone.