How To Install A Roof Fan Vent

Consider two things for maximum performance when you choose the location of the vent.

How to install a roof fan vent.

Draw a circle on the roof matching the diameter of your fan. Be sure to like and subscribe in order to help me bring you more helpful videos filled with tips and tricks i ve learned over the years. To install a roof adaptor cut and clean the hole in the roof as you would normally. Apply a bead of asphalt roof cement on the bottom of the vent.

Afterward install the vent fan flange as you normally would. Then cover the bottom of the adaptor with 3m marine sealant and clamp it to the roof until dry. Then get on the roof and draw the circle around the pilot hole with a piece of chalk. Use a tape measure to determine the diameter of your fan or check the manufacturer s specifications.

The lower half of the flange sits on top of the shingles. Mount it as near to the roof ridge without it being visible from the front of the house. Slide the vent under the shingles so they cover the top half of the vent flange. To install a roof adaptor cut and clean the hole in the roof as you would normally.

Drip edge vents are a two in one installation that promote water shedding at the eaves and rakes of a roof while also allowing for ventilation into the attic. Afterward install the roof vent fan flange as you normally would. Then cover the bottom of the adaptor with 3m marine sealant and clamp it to the roof until dry. Before you begin make sure all factory installed bolts are tightened.

A drip edge vent is made of a corrosive resistant material that sticks out about three inches back from the roof edge and then bends downward over them. Nail the lower corners with roofing nails and tar the heads. Mount the vent as close to the center of the house as possible.