Venting Kitchen Extractor Fan Through Roof

In the u s no national ventilation code exists.

Venting kitchen extractor fan through roof.

Leave the drill bit sticking through the roof so you can find the hole. 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. 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.

With the vent hood hooked up turn it on and make sure the lights and fan work. Authority for regulating ventilation in buildings is left up to each state and usually that authority is delegated to local jurisdictions counties and cities. 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. Vent through the roof. 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. Start in the attic and drill a hole through the roof in the desired vent location.

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. Try to keep it close to the fan location. Yes you can vent a range hood through the roof using a 6 single wall pipe.