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This basement is insulated on the exterior with rigid foam over dampproofing, with granular backfill and footing drains to facilitate drainage away from the foundation, a termite shield to protect from pests, and cellular PVC to protect the rigid foam.

Publication Date

Mon, 03/01/2021 - 12:00

Rigid Foam Board Interior Insulation for Existing Foundation Walls

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

Air Sealed, Insulated Basements

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.

Water Managed Existing Sill Beams and Sill Plates

Guide describing how to insulate the sill beam or sill plate on the exterior side in a way that allows drying to the exterior, as part of an exterior wall upgrade.

Reduce Pest Intrusion

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

Termite-Resistant Foundations and Walls

Guide describing techniques and measures for increasing the termite resistance of a home's foundations.