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.
Venting kitchen extractor fan through roof.
Try to keep it close to the fan location.
Run duct work through the attic then attach the stove vent to a roof cap.
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.
Yes you can vent a range hood through the roof using a 6 single wall pipe.
From up on the roof use a jigsaw or reciprocating saw to cut a 4 in.
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.
In the u s no national ventilation code exists.
In the u s no national ventilation code exists.
Vent through the roof.
Be sure to extend the pipe up at least 2 to 3 above the roof to prevent snow buildup from causing problems.
Leave the drill bit sticking through the roof so you can find the hole.
Ventilation codes are regulations with the force of law.
Going to the soffet is 12 feet.
Screw the ductwork together.
Start in the attic and drill a hole through the roof in the desired vent location.