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EERE » BTO » Building America » Solution Center Home » 5.1.1 Ducts, flues, shafts, plumbing, piping, wiring, exhaust fans, & other penetrations to unconditioned space sealed, with blocking / flashing as needed*.

5.1.1 Ducts, flues, shafts, plumbing, piping, wiring, exhaust fans, & other penetrations to unconditioned space sealed, with blocking / flashing as needed*.

See the following guides for relevant information.

Air Sealing Duct and Flue Shafts
Air Sealing Plumbing and Piping
Air Sealing Electrical Wiring
Air Sealing Bathroom and Kitchen Exhaust Fans
Air Sealing Light Tubes
Sealing Duct Boots to Floor or Drywall