Venting Kitchen Extractor Fan Through Roof

Try to keep it close to the fan location.

Venting kitchen extractor fan through roof.

Hook up all the wiring following the color coding black to black white to white and green to green or copper use wire nuts to cover the loose ends of the wires and secure it under the electrical component cover. With the vent hood hooked up turn it on and make sure the lights and fan work. Leave the drill bit sticking through the roof so you can find the hole. 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.

Start in the attic and drill a hole through the roof in the desired vent location. Yes you can vent a range hood through the roof using a 6 single wall pipe. In the u s no national ventilation code exists. 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.

Screw the ductwork together. From up on the roof use a jigsaw or reciprocating saw to cut a 4 in. Run duct work through the attic then attach the stove vent to a roof cap. Going to the soffet is 12 feet.

Be sure to extend the pipe up at least 2 to 3 above the roof to prevent snow buildup from causing problems. Vent through the roof. Ventilation codes are regulations with the force of law.