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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 create a capillary break at all crawlspace floors using polyethylene sheeting to manage moisture in crawlspaces.

Guide describing installation of sump pumps in the basement or crawlspace of a home.

Vapor retarders can be a crucial part of the building envelope and can help manage moisture issues to keep the home dry. However, before installing a vapor retarder, installers must be aware that in some instances vapor retarders can increase the likelihood of condensation issues.

Guide describing the need for covers on sump pumps in the basement or crawlspace of a home.