Venting Bathroom Fan Through Roof

It is because of this that many builders tend to advise against this method.

Venting bathroom fan through roof.

Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof. Through the roof or an exterior gable wall. See below for a shopping list and tools subscribe. 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.

Going to the soffet is 12 feet. Try to keep it close to the fan location. This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. Behind a gable vent.

Center the nail between two rafters. From inside the attic drive a nail through the roof directly above the bathroom vent fan. From up on the roof use a jigsaw or reciprocating saw to cut a 4 in. Start in the attic and drill a hole through the roof in the desired vent location.

Options for venting a bathroom exhaust fan include best to worst. 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. Leave the drill bit sticking through the roof so you can find the hole.

In this video this old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. No need for special tool.