How To Install Kitchen Exhaust Vent Through Roof

Use a drill to make guide holes and then use a saw in order to complete the circle.

How to install kitchen exhaust vent through roof. This video is a comprehensive rundown on how to install a roof vent on a pre existing shingle roof. Yes you can vent a range hood through the roof using a 6 single wall pipe. 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. Run duct work through the attic then attach the stove vent to a roof cap.

Nail the lower corners with roofing nails and tar the heads. Be sure to extend the pipe up at least 2 to 3 above the roof to prevent snow buildup from causing problems. 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. Vent through the roof.

Bring the wire connectors flashlight vent hose tape and screwdriver. Install the vent and seal the underside of the vent flange with roofing grade sealant caulk. Apply asphalt roof cement to the bottom of the vent and slide in the vent under the shingles. If you have any questions or comments at all please comme.

Apply a bead of asphalt roof cement on the bottom of the vent. 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. Slide the vent under the shingles so they cover the top half of the vent flange.

Screw the ductwork together. Then flash it with the shingles that you removed prior on both sides and above the vent. Go to where the ceiling access hatch is located. The lower part of the vent flange however will sit on top of the shingles.

Once you have it marked remove the hood and cut a hole in the wall or ceiling. Choosing a whole house fan. Remove the old hose from the wall fitting and attach the new hose using the vent hose tape. The lower half of the flange sits on top of the shingles.