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.

It s made of zinc coated galvanized steel for durability and reliability. This vent is designed to be used on 4 in. It is compatible with 3 or 4 ductwork and includes a 3 to 4 adapter for convenience. Bath exhaust vent fans range hoods.

Fresh air inlet wall cap for 8 round duct for range hoods and bath ventilation fans. 99 1 56 oz 36 87 36 87. Vent your bath and kitchen exhaust fans through the roof through a special roof hood. The master bathroom and the 2nd bathroom vent through the roof and through the same opening.

Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot. The 2nd bathroom vent drips on the floor and is ruining the ceiling. The rvk1a steel roof cap kit is an easy to install vent for ventilation fans bath rec room home gym etc. As shown here the majority of roofers use the same box design for the bath roof vent.

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. The master flow 4 in. Exhaust hood vent with built in pest guard screen white air vent cover hvac exhaust vent duct cover exhaust cap 4 inch white 4 2 out of 5 stars 186 8 94 8. This cap features both a back draft damper and bird screen preventing outside air from entering the home and birds and small pests from entering.

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. Included is 8 ft of 4 in diameter flexible foil ducting that conforms to ul 181 class 1 air connector requirements. The flanges are small making a watertight fit difficult. The black steel roof cap features a built in back draft damper and bird screen.

The water stains show how the box design allowed water to pool backup and leak over the flange causing water damage within the house. 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. The rvk1a broan model roof vent ducting kit is for roof ducting installation of exhaust fans with a 3 in or 4 in duct.