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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.

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

Guide describing why and how to avoid using damp materials in construction.

Guide providing information about treating bulk water drainage issues and moisture control measures in existing basements and crawl spaces.

Guide describing steps to take to minimize indoor humidity during cold winter weather.

Guide describing the installation of roof vents that are resistant to damage from high winds and entry of wind-borne rain, wildfire embers, or pests.

Guide describing how to properly grade a site so water will flow away from the foundation.

Guide describing how to avoid choosing building materials that have high levels of moisture content.

Guide describing methods to manage groundwater under and around urban multifamily buildings.