Venting Kitchen Extractor Fan Through Roof

From up on the roof use a jigsaw or reciprocating saw to cut a 4 in.

Venting kitchen extractor fan through roof.

Yes you can vent a range hood through the roof using a 6 single wall pipe. With the vent hood hooked up turn it on and make sure the lights and fan work. Choice is go up to roof 5 6 feet or out the present vent 15 18 feet with insulated pipe or shorten the line by going straight to side of home but this requires going up high with latter to drill a new vent hole as tight quarters in attic prevent drilling from attic. In the u s no national ventilation code exists.

Vent through the roof. 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. Ventilation codes are regulations with the force of law. In the u s no national ventilation code exists.

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. Leave the drill bit sticking through the roof so you can find the hole. Going to the soffet is 12 feet. Start in the attic and drill a hole through the roof in the desired vent location.

Authority for regulating ventilation in buildings is left up to each state and usually that authority is delegated to local jurisdictions counties and cities. Be sure to extend the pipe up at least 2 to 3 above the roof to prevent snow buildup from causing problems. Screw the ductwork together.