Roof Exhaust Damper

Flush wall vent w gasket damper and 1 8 insect screen low profile bath kitchen range exhaust 26 gauge zinc aluminum metal rated 5 00 out of 5 31 95 41 95 select options.

Roof exhaust damper.

Broan nutone roof cap in natural aluminum finish 3 1 4 inch x 10 inch or up to 8 inch round duct. Features a black enamel finish and is designed for use with 3 in. The attractive broan 634m roof cap is the perfect finish for your ventilation system. Broan surfaceshield vital vio powered exhaust fan w led light antibacterial light.

Includes a built in back draft damper and protective bird screen to prevent small pests from entering duct. Builder s best 012633 galvanized steel roof vent cap with removable screen damper 6 diameter collar black 4 7 out of 5 stars 607 22 16 22. The bird screen stops unwanted visitors from gaining entry. Broan nutone steel roof cap for 6 inch round duct with backdraft damper and bird screen black.

Most roof caps for bath fan exhausts have a light aluminum backdraft damper which rests on a sealant strip which is basically a foam piece of weatherstripping. A backdraft damper or isolation damper from grainger helps to allow airflow in one direction and prevent reverse airflow. These gravity operated exhaust shutters can be used with direct or belt driven exhaust fans and can help prevent air backflow when the fan is off. Fans with surfaceshield technology combine the power of broan nutone s bathroom ventilation fans with vital vio s led light technology to prevent the growth of bacteria mold yeast and fungi.

This large selection offers wall mount and roof mount backdraft dampers. Choose the mounting style and size that will fit your roof exhaust needs when you shop for an isolation damper or backdraft damper from grainger today. The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.

This sealant strip is installed to keep cold air from coming in and according to a broan customer service rep it also helps to prevent unbearable metal on metal chatter. Round duct roof cap with manufactured steel housing and black electrically bonded epoxy finish. The built in back draft damper eliminates cold air from entering the home. Vent your bath and kitchen exhaust fans through the roof through a special roof hood.

Each exhaust shutter features durable galvanized steel aluminum or fiberglass frame construction with moisture and corrosion resistant stainless steel fasteners. Select the broan 636 roof cap to provide reliable rooftop ventilation.