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Foundations & Floors - Air Sealing/Insulation

The guides on this page have information about air sealing and insulating floors/foundations. Guides are presented in alphabetical order. Use the filters to the right of the page to further focus your search based on construction type or keywords.


Solution Center Guides


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 for HVAC equipment.

Guide describing how to conduct a home performance assessment before beginning retrofit projects in existing homes.

Information guide describing how to assess crawlspaces and basements before proceeding with upgrades in existing homes.