The same contraction and expansion happens in a less loud fashion when water pipes are heated or cooled with use and to window and door frames when cooler evening temperatures roll in on summer days.
Noise in attic winter.
Also when the temperature becomes very hot or very cold or when sunlight warms one part of a home and not another these noises may become more pronounced.
A loose attic vent or shutter on a window can make a banging noise in the wind.
Fluttering noises in the attic.
Air passing through ducts and radiators can sometimes create a loud noise as can water passing through pipes.
These squirrels are most generally bringing nuts into the attic to store for the long winter.
A rhythmic tapping noise in the attic can come from outside the attic.
Many times you can hear the noise or sounds in the attic or wall of the walnuts or acorns rolling around or being dropped down the wall cavities.
Bats enjoy making their roost in places higher up such as attics.
They may also decide to drum on a part of the house that has the right resonance to attract a mate.
One of the most common critters to find in your home throughout the winter months are bats.
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.
A loud popping noise in the attic is often very common especially when there are extreme temperature differences such as large and rapid fluctuations between night and day temperatures.