Often a stiff wind will open vent dampers causing them to periodically clang shut.
Roof ventilator noise.
One way to do this is to create a plug out of the grate cover itself.
The patter or even the roar of falling rain or hail popping and cracking noises perhaps due to thermal expansion and contraction of roof coverings metal roofing or roof structure and transmitted noises from other external sources such as low flying aircraft or nearby trains or auto truck traffic from a nearby highway.
Roof noises may be described as those attributed to an obvious source.
The vent hood ducts through a rigid or flexible pipe to a cap on the roof or side of your home.
Well putting a temporary plug on it could help with all of these issues.
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.
This is a fan that ventilates 3 of the 30 apartments on my floor.
If the noise drives you crazy new spring loaded backdraft dampers 9 to 30 depending on the size should solve the problem.
In january 2011 i noticed a loud noise from one of the roof fans located above my bedroom.
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.
Sometimes wind and roof vents do not get along well.
This noise can get annoying but there is a remedy for it.