Broan 644 Broan Aluminum Roof Cap for 3-1/4" x 10" or up to 8" round duct. Natural finish.

Broan Nutone Aluminum Roof Cap for 3-1/4" x 10" or up to 8" round duct. Natural finish.

Our Broan Nutone Aluminum Roof Cap for 3-1/4" x 10" or up to 8" round duct. Natural finish is intended for a variety of applications, such as remodeling or construction projects.

If you have a 3-1/4" x 10" or up to 8" round duct, this aluminum roof cap will help you seal the duct opening with ease. It has a peel-and-stick, double-sided adhesive strip that helps lock it in place for lasting effectiveness.

The right Broan roof cap can keep rain and dirt off of your venting system. The 644 roof cap fits from 3-1/4" to 10" x 3-1/4" round duct and up to 8" round duct. It is a durable aluminum finish, designed for years of use with a coordinating roof cap air diffuser available separately.

Will cover and seal off any ducted registers with a 3-1/4" x 10" or up to an 8" round duct (register must be at least 4" thick)

Designed to simplify installation, this roof cap fits on a standard 3 1/4-in. x 10-in. frame or other size round duct. Aluminum construction provides durability, while the natural finish blends with most roofs. This roof cap features a hinged design that allows it to be opened and closed after installation, which makes cleaning and inspection easy.

The Broan Nutone No-Melt Roof Cap for ductless ventilation systems is designed to help prevent heat and smoke damage. The aluminum design resists corrosion, allowing the cap to fit into HVAC systems. The Broan roof cap mounts with screws or nails.

The broan nutone 644 gives added protection to the roof, which is where condensation often occurs. The cap is made of light weight aluminum cutouts to allow the rain water and snow to be drained off from the top of your roof. This cap can be fitted in two different ways: horizontally over a HVAC style duct or upwards around a metal stack pipe and insulated with fiberglass insulation.