Guide
Description
Guide describing how to apply water management strategies to below-grade walls.
Guide
Description
Guide describing how to install slab edge insulation when retrofitting existing slab-on-grade foundations.
Guide
Description
Guide describing how to insulate an existing foundation wall by adding spray foam insulation to the interior side of the wall.
Guide
Description
Guide describing how to insulate closed crawlspace walls and band joist areas with rigid foam board insulation.
Guide
Description
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.
Guide
Description
Guide describing method for insulating an unvented crawlspace or conditioned basement with rigid foam on the interior side of the walls.
Guide
Description
Guide describing Installing blanket fiberglass insulation on the interior walls of a conditioned, unfinished basement as an alternative to best practice solutions.
Guide
Description
Guide describing principles of insulating and air sealing band joists as a stand alone energy upgrade, or as part of creating a closed crawlspace.
Guide
Description
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
Description
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
Description
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.
Case Study
Description
Case study describing a home builder that has refined its home designs to achieve HERS scores of 49 to 56 on 40 to 70 homes per year.
Guide
Description
Guide describing how to retrofit an existing basement floor or slab to reduce moisture issues.
Guide
Description
Guide describing how to design or retrofit a crawlspace to reduce the risk of damage during a flood event.
Information Guide
Description
Information guide describing things to consider when considering home retrofits in the basement or crawlspace including HVAC, wiring, or structural systems.
Information Guide
Description
Information guide describing flood protection measures to minimize damage and increase structural resilience of homes during a flood.
Guide
Description
Guide describing how to air-seal and insulate the floor above an unconditioned basement or crawl space.
Guide
Description
Guide describing how to help drain water away from the perimeter footing.
Guide
Description
Guide describing the design of a shelter-in-place room in a home for protection during hurricanes and tornadoes.