If you hear a banging noise coming through your bathroom vent when it is windy chances are that the wind is picking up the vent flap and then letting it bang closed.
Roof ventilator noise.
Unscrew the cover and bring it to your workstation.
Noise and vibration from roof ventilation fan i have lived at the top floor of a 12 story high rise apartment for over 10 years.
If the noise drives you crazy new spring loaded backdraft dampers 9 to 30 depending on the size should solve the problem.
If your vent is letting in a lot of noise it s probably also causing a draft or even preventing your room from heating evenly.
The vent hood ducts through a rigid or flexible pipe to a cap on the roof or side of your home.
Often a stiff wind will open vent dampers causing them to periodically clang shut.
This noise can get annoying but there is a remedy for it.
One way to do this is to create a plug out of the grate cover itself.
Well putting a temporary plug on it could help with all of these issues.
Roof noises may be described as those attributed to an obvious source.
Sometimes wind and roof vents do not get along well.
In january 2011 i noticed a loud noise from one of the roof fans located above my bedroom.