Foundations & Floors -

Air Sealing/Insulation

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 ways to seal drywall to the top plate of an exterior wall to air-seal the wall cavity.

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

Guide describing different options for providing seismic and thermal resistance for homes with 'cripple' wall crawlspace foundations, which are known for their instability.

Guide describing how to insulate slabs on grade in climate zones 3 and higher.