Guides A-Z
Guide describing how to install slab edge insulation when retrofitting existing slab-on-grade foundations.
Guide describing how to insulate a new foundation wall or an existing foundation wall by adding rigid insulation to the exterior side.
Guide describing how to upgrade a crawlspace floor in an existing home by adding insulation.
Guide describing principles of insulating band joists as a stand alone energy upgrade, or as part of creating a closed crawlspace.
Guide describing how to insulate an existing slab floor by adding rigid foam insulation over the slab then installing a floating subfloor.
Guide describing how to insulate an existing foundation wall by adding spray foam insulation to the interior side of the wall.