Mice rats birds or other animals may have entered the home and are chewing digging and pecking on the interior of your home from the attic or inside the walls.
Moaning noise in attic.
Clicking knocking and clanking no that s not the sound of chains rattling in the attic.
Air passing through ducts and radiators can sometimes create a loud noise as can water passing through pipes.
An air chamber is essentially a vertical pipe located near your faucet often in the wall.
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.
If there are vocal noises in the attic then raccoons are going to be the most likely culprits since they are one of the few that actually talk.
Look for three screws in the top of the fill valve.
Check your air chamber.
The hammering action that creates the horrible racket is actually capable of damaging joints and connections in the pipe.
If you see them the valve isn t sealed and you can disassemble.
If the noise stops there s a loose or worn washer in the ballcock mechanism.
The loud thudding sound that follows is known as a water hammer.
One problem that could be causing a popping sound in your walls or in the attic is pests.
An air chamber is a vertical pipe located in the wall cavity at the point near a faucet or valve where the water supply pipe exits the wall.
If you hear thumping in your attic at night it s most likely a larger animal such as a raccoon or opossum engaged in jumping from one area of the attic to another actively shoving or destroying something or dragging something heavy.
Grinding noises are made as rodents chew woodwork.
Heating ducts as they cool also make banging noises as do.
A loose shutter on an attic window or loosened attic vents can cause a banging sound if it s windy as can branches hitting the roof.
Grinding noise in the attic.
This deafening sound is known as a water hammer.
Snarling noise in the attic.
This is a classic squirrel in the attic noise.
Likely culprits are rats mice grey squirrels and flying squirrels.
If the noise is similar to a ball or something rolling around then this is most likely rats or squirrels rolling nuts around your attic.
Grinding noises are likely to be made by some type of rodent.
There are a few possible sources for this sound but none of them ghostly or even worrying enough to call.
They may be chewing to improve passageways or just for fun.