Venting Bathroom Fan Through Roof

Behind a soffit vent.

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. Start in the attic and drill a hole through the roof in the desired vent location. Through the roof or an exterior gable wall. 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. From up on the roof use a jigsaw or reciprocating saw to cut a 4 in. Try to keep it close to the fan location. Center the nail between two rafters.

Leave the drill bit sticking through the roof so you can find the hole. 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. Going to the soffet is 12 feet.

No need for special tool. Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof. See below for a shopping list and tools subscribe. In order to accomplish this the roof has to have a hole cut in it.

This involves running ductwork from the fan usually though an attic and out through the roof. From the roof find the nail and use the utility knife to cut roof shingles from around the nail.