Bathroom Vent Through Wall Or Roof

A single exhaust exits through the roof figure a.

Bathroom vent through wall or roof. Going to the soffet is 12 feet. As for the walls rainscreen compatible intake and exhaust vents are now available. In the case of the roof some venting is unavoidable in order to provide attic circulation so choose roof vents that are durable and watertight. Approximately 10 and 16 foot runs respectively.

An exhaust vent fan can exhaust out through a gable end side wall or out through a soffit overhang. The point of a bathroom exhaust vent or any vent really is to remove hot moist air from the house. A wall exhaust depending on how close to the soffit it s located won t drive up into the attic. They must withstand a complete temperature range as well as damage from the sun wind branches or even hailstones.

A grille in each bathroom attaches to ducts which then fasten to a y connector at the fan. From up on the roof use a jigsaw or reciprocating saw to cut a 4 in. It is because of this that many builders tend to advise against this method. The bath exhaust vent duct is routed through the ceiling between i trusses used to support the roof over the wall top to the building exterior into the soffit cavity.

The metal visible below the exhaust duct was put in place to reinforce the supporting web between the i trusses. And while both a roof vent and an overhang vent perform this task there is one big difference. The soffit vents are convective intakes for venting the attic. However they re not currently connected.

Having warm moisture laden air from a bath exhaust fan exiting out the soffit will drive moisture into the attic causing all sorts of issues with mould mildew and rot. I am having a new roof installed and am wondering whether i should connect to the current gable vents or have roof vents installed. In order to accomplish this the roof has to have a hole cut in it. This system is quiet too.

Whether it s new construction or a remodel a bathroom vent should always vent through the roof instead of an eave overhang or soffit. Bathroom exhaust venting does not have to exit up through the roof and in fact that s not necessarily even the best termination. Leave the drill bit sticking through the roof so you can find the hole. Try to keep it close to the fan location.

Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof. You mount a switch in each bathroom. And of course a bathroom with a window doesn t require an exhaust vent. 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.