How To Vent A Bathroom Fan Through A Metal Roof

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.

How to vent a bathroom fan through a metal roof. Take the end of the duct with the connector fitting and attach it to bath vent fan. Use rigid metal ducting aluminum or galvanized steel with lengthwise seams facing up and joints sealed with foil tape or duct mastic or rigid plastic pipe. Run a thick bead of tri polymer sealant along the underside of vent hood. The 2nd bathroom vent drips on the floor and is ruining the ceiling.

Bend over the tabs then nail the tabs to the roof. Next use aviation snips to cut slits into the sheet metal sleeve. Since i do not want to pull up the metal roof i must cut a hole through it and the vent cap flashing will sit on top of the metal roof instead of underneath shingles. The bathroom exhaust ventilation fan disperses air through an opening in the fan housing which is usually 3 inches in diameter and ideally faces in the direction of the ventilation system outlet.

I have the same situation a limited storage space above the ceiling which does not extend to the eaves so i must vent my bathroom exhaust fan up through my metal roof. The master bathroom and the 2nd bathroom vent through the roof and through the same opening. Pass the opposite end of the duct through the hole in roof. However there are a few simple tips that will help make the process a little easier and also ensure that the vents are placed to allow the maximum benefit.

Ridge ventilation fan for metal roofs stains around your bathroom exhaust fan broan nutone wall vent ducting kit vent bathroom fan through metal roof venting image of bathroom and closet 20000 reviews of the best bathroom and closet pictures. Vent your bath and kitchen exhaust fans through the roof through a special roof hood. If you vent through a soffit where attic vents are often located the moisture will get sucked back up into the attic or roof venting. The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood.