Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.
Vent bathroom fan through roof.
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.
The 2 pipes one a 4 master and the other a 3 2nd do not go through the ceiling but into a common box that goes through the roof.
Vent bathroom fan through metal roof image of and closet.
Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof.
The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood.
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This involves running ductwork from the fan usually though an attic and out through the roof.
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In all cases the ducting needs to conduct the exchaust to the building exterior and needs to terminate in an animal proof vent cover.
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.
Bend over the tabs then nail the tabs to the roof.
The 2nd bathroom vent drips on the floor and is ruining the ceiling.
I would recommend installing a bath fan with a new vent that goes to the gable wall roof or even the soffit last choice.
It eliminates the need for routing ductwork through the house and these fans usually dry the bathroom more quickly.
Vent your bath and kitchen exhaust fans through the roof through a special roof hood.
Next use aviation snips to cut slits into the sheet metal sleeve.
Bath exhaust fans routed up through the roof.
This article describes routing bath exhaust fan duct upwards through an attic or roof space or downwards through a floor or crawl space.
Take the end of the duct with the connector fitting and attach it to bath vent fan.
Bathroom ventilation fan duct routing routing a bath vent duct down out or up through an attic or roof out.
This discussion is now found at bathroom vent up through roof.
You may just want to go with a completely new vent the whole way most modern bathroom fans require 4 or 6 vent hoses for much better performance and lower noise.
Pass the opposite end of the duct through the hole in roof.