Bathroom Vent Through Wall Or Roof

The master bathroom and the 2nd bathroom vent through the roof and through the same opening.

Bathroom vent through wall or roof.

The 2nd bathroom vent drips on the floor and is ruining the ceiling. In order to accomplish this the roof has to have a hole cut in it. If you vent through a soffit where attic vents are often located the moisture will get sucked back up into the attic or roof venting. And a proper roof vent doesn t require any visible nails.

This discussion is now found at bathroom vent up through roof. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot. For the best results the vent should terminate through a gable wall of the roof assembly. This involves running ductwork from the fan usually though an attic and out through the roof.

See below for a shopping list and tools subscribe. Again no offense meant but best results would be a continuous ridge vent no. Vent your bath and kitchen exhaust fans through the roof through a special roof hood. The bathroom exhaust ventilation fan disperses air through an opening in the fan housing which is usually 3 inches in diameter and ideally faces in the direction of the ventilation system outlet.

Here in the north we vent the bathroom exhaust through a bulkhead to the exterior wall the exhaust ducting is insulated and has a slight slope to the exterior wall to allow any condensation to escape we also install a 5 6 length of plywood at the eaves so the exhaust can t get into the attic space. If you vent through the roof condensation will drip back into the interior. It is because of this that many builders tend to advise against this method. And of course a bathroom with a window doesn t require an exhaust vent.

I recommend that my clients vent their bath fans out a gable wall if at all possible when not using an hrv or erv that is. An exhaust vent fan can exhaust out through a gable end side wall or out through a soffit overhang. Bathroom exhaust venting does not have to exit up through the roof and in fact that s not necessarily even the best termination. This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent.

I prefer to run a bath vent to outdoors via a horizontal line that goes across an attic and out through a gable end wall or one that vents down and outside through a roof overhang or soffit. Bath exhaust fans routed up through the roof.