Why do the walls in my house make noise?
If the sound is coming from the walls, it could be a “pressure hammer” —air pressure in the water pipes.
Since the pipes run all through the house, turning on a faucet in the kitchen could lead to a banging sound under the bedroom.
Try turning off the water at the main, then draining all the lines..
Why do houses make popping noises?
The metal that ducts are usually made from expands and contracts depending on the changes in temperature. If ducts are cold, the metal will expand when hot air moves through it. This causes loud bangs that could be heard as pops.
What is that noise in my wall?
Hearing scratching or noises in the walls is one of the many signs of having a pest problem. … Mice and rats are nocturnal, so you’ll most likely hear scratching in walls once the sun has set and the house has quieted down. Squirrels, on the other hand, are diurnal, meaning they’re awake and active during the day.
What causes popping noises in walls?
It’s thermal expansion and contraction. The sun hits your roof and heats it up. As the lumber expands, it moves, and it will rub against other pieces of wood that aren’t moving at the same rate. This movement creates the popping noise.