Venting Bathroom Fan Through Metal Roof

Record those measurements on a notepad.

Venting bathroom fan through metal roof.

Using the tape measure determine the size of the cut into the roof that will be necessary to insert the vent into the space. Solid metal vs flex duct for kitchen and bath vent fans. Center the nail between two rafters. Leave the drill bit sticking through the roof so you can find the hole.

When venting a bathroom exhaust fan make sure to vent the air to the outside rather than into your attic where it can cause mold and mildew to form. The rvk1a broan model roof vent ducting kit is for roof ducting installation of exhaust fans with a 3 in or 4 in duct. A bathroom vent is necessary and it makes your bathroom fresh and hygienic. Vent bathroom fan through metal roof image of and closet.

Start in the attic and drill a hole through the roof in the desired vent location. From up on the roof use a jigsaw or reciprocating saw to cut a 4 in. Options for venting a bathroom exhaust fan include best to worst. Included is 8 ft of 4 in diameter flexible foil ducting that conforms to ul 181 class 1 air connector requirements.

From the roof find the nail and use the utility knife to cut roof shingles from around the nail. The black steel roof cap features a built in back draft damper and bird screen. Kitchen vent fans require metal ductwork for fire safety. For optimum venting use insulated 4 or larger metal ductwork rather than flexduct that may sag giving you areas that collect water and risk leaking into a ceiling below.

How bathroom fans should be vented a plete hvac buzz how to prevent ceiling stains around your bathroom exhaust fan star tribune bathroom vent homedecorations solar powered ridge ventilation fan for metal roofs blaster where do bathroom fans vent to in apartments hvac buzz. But if your bathroom is placed in the middle of your house or you don t have the scope to vent through the wall then you can vent the bathroom fan through the roof of the house. In this video this old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. From inside the attic drive a nail through the roof directly above the bathroom vent fan.

Measure the body of the vent. Remember to allow for the lip on the vent mechanism that will fit over the opening and rest on the surface of the roof.