Guides A-Z

Guide describing how to air seal duct and flue shafts.

Guide describing how to air seal and insulate a cantilevered floor.

This guides describes buried ducts in loose-fill attic insulation, a method that can only be used in dry climates.

Guide for designing and installing interior ducts in an interstitial floor cavity in new and existing homes.

Guide describing how to create an air barrier between the garage and the conditioned space above it to prohibit pollutants from entering a home's interior.

Guide describing how to air seal and insulate the floor above an unconditioned basement or crawl space.

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

Guide describing how to air seal around duct shafts and flues installed through ceilings, walls and flooring in new and existing homes.

Guide describing appropriate flooring for wet areas of the home.

Guide describing wind washing and how to prevent it.