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Guide describing how to retrofit an existing basement floor or slab to reduce moisture issues.

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

Guide describing how to upgrade a crawlspace floor in an existing home by adding insulation.

Guide describing how to install a radon-mitigating vertical ventilation pipe in new and existing homes with various types of house foundations.

Guide describing how to install a radon mitigation fan to actively remove radon from the home.

Guide describing how to install a capillary break to help manage moisture in foundations.

Guide describing different options for providing seismic and thermal resistance for homes with basement foundations, crawlspace foundations, or crawlspace foundations with a "cripple" wall.

Guide describing how to install a capillary break under a slab foundation using either polyethylene sheeting or rigid insulation installed over aggregate or over sand and geotextile matting.

Guide describing different options for providing seismic and thermal resistance for homes with 'cripple' wall crawlspace foundations, which are known for their instability.

Guide describing how to design or retrofit a crawlspace to reduce the risk of damage during a flood event.

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

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

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

Guide describing how to insulate a new foundation wall or an existing foundation wall by adding rigid insulation to the exterior side.