Bathroom Exhaust Fan Roof Vent Cap

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.

Bathroom exhaust fan roof vent cap.

Broan nutone 636al roof cap for 3 or 4 round duct for range hoods and ventilation fans aluminum 4 5 out of 5 stars 36 24 99 24. It s made of zinc coated galvanized steel for durability and reliability. Bath exhaust vent fans range hoods. The 2nd bathroom vent drips on the floor and is ruining the ceiling.

Broan nutone roof cap for high capacity fans up to 1200 cfm in black. 99 1 56 oz 36 87 36 87. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot. The flanges are small making a watertight fit difficult.

Goose neck vent in black can be used to cover exhaust pipes extending through your roof or for attic ventilation. The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood. Fresh air inlet wall cap for 8 round duct for range hoods and bath ventilation fans. The black steel roof cap features a built in back draft damper and bird screen.

Included is 8 ft of 4 in diameter flexible foil ducting that conforms to ul 181 class 1 air connector requirements. 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. Goose neck vent the master flow 4 in. As shown here the majority of roofers use the same box design for the bath roof vent.

The 2 pipes one a 4 master and the other a 3 2nd do not go through the ceiling but into a common box that goes through the roof. It is compatible with 3 or 4 ductwork and includes a 3 to 4 adapter for convenience. The water stains show how the box design allowed water to pool backup and leak over the flange causing water damage within the house. The rvk1a broan model roof vent ducting kit is for roof ducting installation of exhaust fans with a 3 in or 4 in duct.

Vent your bath and kitchen exhaust fans through the roof through a special roof hood. The master flow 4 in. The master bathroom and the 2nd bathroom vent through the roof and through the same opening. This vent is designed to be used on 4 in.