Building Science Introduction - Air Flow Description Information guide providing background information about air flow in residential buildings.
Screens and Other Deterrents for Birds, Rodents, and Other Pests Description Guide describing steps to keep birds, rodents, and other pests out of vent openings and other locations in new and existing homes.
Sealing Duct Boots to Floor or Drywall Description Guide describing how to air seal around duct shafts and flues installed through ceilings, walls and flooring in new and existing homes.