Foundations & Floors -

Air Sealing/Insulation

Guide describing ways builders can block off entry points and otherwise make homes inhospitable to all manner of pests.

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 describing how to insulate an existing slab floor by adding rigid foam insulation over the slab then installing a floating subfloor.