How To Install Kitchen Exhaust Vent Through Roof

Remove the old hose from the wall fitting and attach the new hose using the vent hose tape.

How to install kitchen exhaust vent through roof.

Run duct work through the attic then attach the stove vent to a roof cap. Use a drill to make guide holes and then use a saw in order to complete the circle. Nail the lower corners with roofing nails and tar the heads. Seal between the top of the vent flange and at the bottom of the roofing shingles as well.

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. Use roofing nails to nail the lower half of the flange in place at the corners. This video is a comprehensive rundown on how to install a roof vent on a pre existing shingle roof. Install the vent and seal the underside of the vent flange with roofing grade sealant caulk.

If you have any questions or comments at all please comme. Then flash it with the shingles that you removed prior on both sides and above 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. Slide the vent under the shingles so they cover the top half of the vent flange.

Go to where the ceiling access hatch is located. Vent through the roof. Apply asphalt roof cement to the bottom of the vent and slide in the vent under the shingles. 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. Bring the wire connectors flashlight vent hose tape and screwdriver. Apply a bead of asphalt roof cement on the bottom of the vent. Screw the ductwork together.

The should cover the top of the vent flange. 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. 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.