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.
Venting bathroom fan through metal roof.
Most of the bathrooms have bathroom fans installed and they are vented through the wall because it is the easiest option.
Kitchen vent fans require metal ductwork for fire safety.
Center the nail between two rafters.
Leave the drill bit sticking through the roof so you can find the hole.
Through the roof or an exterior gable wall.
Try to keep it close to the fan location.
Options for venting a bathroom exhaust fan include best to worst.
Vent bathroom fan through metal roof image of and closet.
Using the tape measure determine the size of the cut into the roof that will be necessary to insert the vent into the space.
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.
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.
From inside the attic drive a nail through the roof directly above the bathroom vent fan.
A bathroom vent is necessary and it makes your bathroom fresh and hygienic.
Included is 8 ft of 4 in diameter flexible foil ducting that conforms to ul 181 class 1 air connector requirements.
The rvk1a broan model roof vent ducting kit is for roof ducting installation of exhaust fans with a 3 in or 4 in duct.
In this video this old house general contractor tom silva shows how to properly install a roof mounted bath fan vent.
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.
From up on the roof use a jigsaw or reciprocating saw to cut a 4 in.
Solid metal vs flex duct for kitchen and bath vent fans.
Record those measurements on a notepad.
Measure the body of the vent.
From the roof find the nail and use the utility knife to cut roof shingles from around the nail.