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Spray Foam Interior Insulation for Existing Foundation Walls

Guide describing how to insulate an existing foundation wall by adding spray foam insulation to the interior side of the wall.

Sump Pump Cover Gasket

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

Drain or Sump Pump Installed in Basements or Crawlspaces

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

Footing Drain Pipe

Guide describing how to help drain water away from the perimeter footing.

Capillary Break at Crawlspace Floors - Polyethylene Lapped Up Walls and Piers or Secured in the Ground

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

No Vapor Retarders on Interior Side of Air-Permeable Foundation Insulation

Vapor retarder plastic should not be installed over fibrous insulation on basement or crawlspace walls unless rigid foam or spray foam is installed directly against the concrete, behind the blanket insulation.