Blade is made of thin metal sheets in most of the household fans.
Attic vent making noise.
Often a stiff wind will open vent dampers causing them to periodically clang shut.
When you hear a banging coming from the attic and are trying to determine the cause you are most likely dealing with one of these four animals.
And there is no exception with the attic fans as well.
Attic fans rattling and shaking are quite common and it s a problem faced by many homeowners who have fans.
This happens when the fan doesn t receive enough air.
If you have a closed off attic open a window at the other end or install one to solve this problem.
If so the rotating blade will create some noise and the airflow outcome won t be as expected also.
If the noise drives you crazy new spring loaded backdraft dampers 9 to 30 depending on the size should solve the problem.
Heating ducts as they cool also make banging noises as do.
Due to excessive pressure or sudden strikes these blades might get bent or damaged.
If the fan makes a constant metal clanking noise in all probability the fan blades are imbalanced.
This will give the fan the airflow it needs.
A loose attic vent or shutter on a window can make a banging noise in the wind.
4 ways to quiet a noisy attic ceiling fan.
Replace the fan itself.
This is something that.