Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside.
Extractor fan venting into attic.
Several different ways you can move that hot air to the outside.
Historically extractor fans were vented into the attic of the home.
Extractor fan venting into the loft.
Any advice would be.
It can cause you a lot of problems with mold and mildew forming on the underside of your rafters and decking as well as getting into your insulation.
Hi we had our bathroom installed in 2017.
Start in the attic and drill a hole through the roof in the desired vent location.
Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof.
In order to accomplish this the roof has to have a hole cut in it.
From up on the roof use a jigsaw or reciprocating saw to cut a 4 in.
This involves running ductwork from the fan usually though an attic and out through the roof.
Leave the drill bit sticking through the roof so you can find the hole.
Both bathrooms are vented by a single in line fan that has one exhaust vent running through the roof.
Try to keep it close to the fan location.
Home builders learned from this lesson and began running exhaust ventilation ducts to the outside of the home.
As part of the design we had the.
For this to work properly air ducts must be properly sealed meaning no tears or holes that would allow moisture to escape into the wrong spots.
You should never exhaust the bathroom fan directly into the attic.
It is because of this that many builders tend to advise against this method.
No it s never a good idea to have any exhaust fan in your home dump all that hot moist air in your attic.
When installed as part of a properly balanced when installed as part of a properly balanced attic ventilation system gaf cobra exhaust vent is a shingle over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic.
No you cannot vent your bathroom exhaust fan into the attic.
Inline centrifugal through ceiling tile vent or axial fan through wall.
Each fan vents separately out the roof.
One in line centrifugal fan can be mounted in the attic to exhaust the moisture from two bathrooms.
Each bathroom has its own exhaust fan.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.