The Gibraltar 4 in. plastic roof cap vent is constructed from durable UV resistant plastic. Roof caps are designed for 4 in. exhaust pipes terminating through the roof. The removable stem is a feature that makes for easy installation. The hooded cap design prevents rain and debris from entering, while an integrated back flow damper keeps the air flowing in the proper direction.
- Includes damper and 1/4 inch screen
- 4 inch bathroom exhaust cap
- Apply roofing nails to outer edge of flange
- Do not use staples with this product
- Do not use asphalt based roof cement with this product















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