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Guide describing method for designing and installing ducts in a raised ceiling chase.

Guide describing how to air-seal duct and flue shafts.

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

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 describing how to apply spray foam insulation to the floor of the attic in existing homes.

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

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.

Guide describing how to air-seal and insulate a ceiling where the insulation is installed on top of the ceiling (on the attic floor) in a vented attic.

Guide describing how to air-seal bathroom and kitchen exhaust fans.

Guide describing the air-sealing of rim joists on walls connecting homes and attached garages.

Guide describing how to air-seal around light tubes.

Guide describing how to air-seal and insulate a cantilevered floor.

Guide describing ways to air-seal an attached garage in new and existing homes.

Guide describing insulation techniques for skylight shaft walls.

Guide describing application of a radiant barrier layer in the attic to block radiant heat transfer between hot surfaces and heat-absorbing surfaces.

Guide describing how to install low-e interior storm windows.

Guide describing how to use a blower door test to determine building envelope air leakage.