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 how to air-seal sill plates in single-family homes and multifamily buildings.

Guide describing ways builders can block off entry points and otherwise make homes inhospitable to all manner of pests.

Guide describing how to insulate closed crawlspace walls and band joist areas with rigid foam board insulation.