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Guides A-Z

Guide describing options for designing/locating the thermal boundary in new and existing homes.

Guide describing how to insulate and air seal dropped ceilings and soffits to prevent air leakage.

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

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

Guide describing how to re-roof an existing home with a sloped roof.