In order to accomplish this the roof has to have a hole cut in it.
Venting bathroom fan through 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.
Center the nail between two rafters.
No need for special tool.
In this video this old house general contractor tom silva shows how to properly install a roof mounted bath fan vent.
Options for venting a bathroom exhaust fan include best to worst.
Robert s has the largest base flange of any bath roof vent cap which makes it super easy to install and make watertight on the roof.
Behind a gable vent.
This involves running ductwork from the fan usually though an attic and out through the roof.
Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof.
It is because of this that many builders tend to advise against this method.
From the roof find the nail and use the utility knife to cut roof shingles from around the nail.
Going to the soffet is 12 feet.
See below for a shopping list and tools subscribe.
Through the roof or an exterior gable wall.
From up on the roof use a jigsaw or reciprocating saw to cut a 4 in.
Behind a soffit vent.
This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent.
From inside the attic drive a nail through the roof directly above the bathroom vent fan.