Bathroom Exhaust Fan Through Roof

This sealant strip is installed to keep cold air from coming in and according to a broan customer service rep it also helps to prevent unbearable metal on metal chatter.

Bathroom exhaust fan through roof.

Then drill a hole on the roof top. Try to keep it close to the fan location. Leave the drill bit sticking through the roof so you can find the hole. From up on the roof use a jigsaw or reciprocating saw to cut a 4 in.

Table of contents hide. The alternative to a roof exhaust if you re concerned about not being able to seal the hole in the roof is to exhaust through a gable end. See below for a shopping list and tools subscribe. Bathroom exhaust venting does not have to exit up through the roof and in fact that s not necessarily even the best termination.

Most roof caps for bath fan exhausts have a light aluminum backdraft damper which rests on a sealant strip which is basically a foam piece of weatherstripping. And of course a bathroom with a window doesn t require an exhaust vent. An exhaust vent fan can exhaust out through a gable end side wall or out through a soffit overhang. Start in the attic and drill a hole through the roof in the desired vent location.

To vent a bath fan through the roof you must first prepare a ductwork connecting the roof top to the bathroom.