When disturbed or threatened soldier termites create rattling noises by hitting their heads against the walls of tunnels.
Termites in wall sound.
Sound of termites can be described as tapping crackling and popping.
There re many animals beside termites that can make noises in the walls.
The loudest sound termites can make is called head banging.
While the first two sounds are physically caused by termites in action the latter stems from hollow voids left in the wood by termites as they eat through your home.
By a stethoscope or a glass.
The gnawing and nibbling sometimes can only be detected with magnification e g.
The hollow sound heard when the wood is tapped.
However there are ways to detect their presence.
If you have an infestation there are three common termite sounds that you might hear.
If you hammer a piece of wood with termite galleries inside the sound will be hollow.