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Guide describing options for designing and locating the thermal boundary at either the attic floor or along the roof line in new and existing homes.

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 methods for insulating an unvented attic along the roof line.

Guide describing how to install insulated concrete forms to block excessive heat loss and gain though structural framing.

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 air-seal doors that are next to unconditioned spaces.