One problem that could be causing a popping sound in your walls or in the attic is pests.
Cracking sound from attic.
Viewed 481 times 0 i bought a house about a year ago and ever since there has been a ton of cracking noises coming from the attic.
A loose attic vent or shutter on a window can make a banging noise in the wind.
At night attic can sometime make loud creaking and cracking sounds.
The noise you hear is not from settling but from wood framing members moving in relation to one another.
In addition to bees ailion says raccoons squirrels and birds have been known to get into attics and cause noises of course mice and rats can do the same.
The wood warms during the day losing moisture and shrinking slightly.
Clicking knocking and clanking no that s not the sound of chains rattling in the attic.
Signs raccoons are in your home.
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 shutter on an attic window or loosened attic vents can cause a banging sound if it s windy as can branches hitting the roof.
Heating ducts as they cool also make banging noises as do.
Air passing through ducts and radiators can sometimes create a loud noise as can water passing through pipes.
There are a few possible sources for this sound but none of them ghostly or even worrying enough to call.
Not all noises in your attic can be blamed on uninvited guests.
The creaking sound is perfectly normal and is caused by the movement of roof timbers responding to changes in temperature.
The most common time of year to hear raccoon noises in the attic is in the spring.
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.
It can ofter sound as if the roof is broken in some way or the roof is going to collapse.
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.