Exterior Edge Insulation for Existing Foundation Slabs Description Guide describing how to install slab edge insulation when retrofitting existing slab-on-grade foundations.
No Vapor Retarders on Interior Side of Air-Permeable Foundation Insulation Description 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.
Water Management of Existing Crawlspace Floor Description Guide providing information about treating bulk water drainage issues and moisture control measures in existing basements and crawl spaces.