Remove the screws holding the vent in place.
Roof vent rain noise.
Cut through any sealer that may be present.
Rain noise from roof vent cap.
The rain water then trickles through the lattice then drips on to the original roof surface and away in to the rain water drainage system.
The problem is when it rains the sound transmits through the ducting down to the range hood.
Silent roof will stop the great majority of rain noise on any composite roofing structure to a mere whisper.
The material is black in colour and is uv stabilised.
The vent hood ducts through a rigid or flexible pipe to a cap on the roof or side of your home.
Roof noises may be described as those attributed to an obvious source.
Often a stiff wind will open vent dampers causing them to periodically clang shut.
We recently installed an island range hood with rigid ducting venting through roof.
Lift up the edges of the surrounding roof shingles so you can see the edges of the vent.
If the noise drives you crazy new spring loaded backdraft dampers 9 to 30 depending on the size should solve the problem.