Use flashing around smaller wall protrusions

From: DuPont Tyvek

Part of a complete DuPont Tyvek Building Envelope Solution, the DuPont FlexWrap EZ provides a simple solution to reduce small air leaks and improve the energy efficiency and durability of structures. The flexible, self-adhered flashing creates an air- and water-tight seal around penetrations, including around wall protrusions like plumbing and HVAC components, vents, electrical outlets, gas lines and more. Suitable for residential and commercial construction, the flashing is available in 2 ¾-in. by 15-ft. rolls.

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