How To Install Kitchen Exhaust Vent Through Roof

Slide the vent under the shingles so they cover the top half of the vent flange.

How to install kitchen exhaust vent through roof.

Run duct work through the attic then attach the stove vent to a roof cap. Go to where the new fan is located and route the hose to the wall where the old exhaust vent hose exits through the wall. Connect the ductwork with sheet metal screws wrap the connections with aluminum faced duct tape then wrap the attic part of the duct work with an insulated sleeve. The lower half of the flange sits on top of the shingles.

Go to where the ceiling access hatch is located. Screw the ductwork together. Be sure to extend the pipe up at least 2 to 3 above the roof to prevent snow buildup from causing problems. Choosing a whole house fan.

Yes you can vent a range hood through the roof using a 6 single wall pipe. Vent through the roof. Remove the old hose from the wall fitting and attach the new hose using the vent hose tape. If you have any questions or comments at all please comme.

Cover the hole that you are not using for exhaust and secure the hood to its final positioning to mark the location of the vent duct. Then flash it with the shingles that you removed prior on both sides and above the vent. Apply asphalt roof cement to the bottom of the vent and slide in the vent under the shingles. Once you have it marked remove the hood and cut a hole in the wall or ceiling.

Use a drill to make guide holes and then use a saw in order to complete the circle. This video is a comprehensive rundown on how to install a roof vent on a pre existing shingle roof. Seal between the top of the vent flange and at the bottom of the roofing shingles as well. Bring the wire connectors flashlight vent hose tape and screwdriver.

Nail the lower corners with roofing nails and tar the heads. You can buy the proper flashing to install it on a flat roof and a roof cap that has screen around it to prevent insects from entering. Use roofing nails to nail the lower half of the flange in place at the corners. Apply a bead of asphalt roof cement on the bottom of the vent.