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Broan-NuTone 634 Steel Roof Cap, Black

$49.00 on Amazon.com (as of October 15, 2026, 6:34 PM EST) View details ↗

Enhance the efficiency and aesthetic appeal of your ventilation system with the Broan-NuTone 634 Steel Roof Cap. This cap is constructed from durable 24-gauge CRCQ steel and features a black electrically-bonded epoxy finish, serving as a robust and visually refined addition to your home. Specifically designed to pair with range hoods, LoSone fans, and bath ventilation fans, this roof cap is engineered to maximize both air and sound performance, ensuring your ventilation system operates at its optimal level.

Beyond its functional benefits, the Broan-NuTone 634 is equipped with a built-in backdraft damper and a bird screen, providing dependable protection and reliability. The roof cap's footprint measures 18.75″ x 14.25″, ensuring a secure, well-balanced fit for your installation. This design not only prevents unwanted drafts and debris from entering your system but also maintains consistent airflow. The roof cap is designed to accommodate a 3.25″ x 10″ rectangular duct or up to an 8″ round duct, offering a flexible and straightforward installation process for a variety of home setups.

Material24-gauge CRCQ steel
FinishBlack electrically-bonded epoxy
Duct Compatibility3.25″ x 10″ or up to 8″ round
Footprint Dimensions18.75″ x 14.25″
FeaturesBuilt-in backdraft damper and bird screen
What types of fans and hoods is this roof cap compatible with?
This roof cap is designed for use with range hoods, LoSone fans, and bath ventilation fans.
Does this roof cap include features to prevent drafts and debris?
Yes, it includes a built-in backdraft damper and a bird screen to provide dependable protection for your ventilation system.
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