Roof Exhaust Damper

The built in back draft damper eliminates cold air from entering the home.

Roof exhaust damper.

Each exhaust shutter features durable galvanized steel aluminum or fiberglass frame construction with moisture and corrosion resistant stainless steel fasteners. The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood. This large selection offers wall mount and roof mount backdraft dampers. Broan nutone roof cap in natural aluminum finish 3 1 4 inch x 10 inch or up to 8 inch round duct.

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. 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. Features a black enamel finish and is designed for use with 3 in. Vent your bath and kitchen exhaust fans through the roof through a special roof hood. The attractive broan 634m roof cap is the perfect finish for your ventilation system.

Fresh air inlet wall cap for 8 round duct for range hoods and bath ventilation fans. Broan surfaceshield vital vio powered exhaust fan w led light antibacterial light. 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. Designed for easy installation.

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. Compatible with either a 3 in. A backdraft damper or isolation damper from grainger helps to allow airflow in one direction and prevent reverse airflow. Broan nutone steel roof cap for 6 inch round duct with backdraft damper and bird screen black.

The bird screen stops unwanted visitors from gaining entry. Includes a built in back draft damper and protective bird screen to prevent small pests from entering duct.