Attic Noises Knocking Slapping

Critters just love to live in the attics of homes and the walls ceiling gaps crawl spaces etc.

Attic noises knocking slapping. It s interesting how sounds manifest sometimes the activity of squirrels or raccoons sounds more like thumping or knocking than scratching or walking. Sounds coming from your attic could be from a number of causes pipes settling wind but the most common cause is the presence of an animal or animals in the attic. Sometimes you will hear a knocking while other times you may notice a scurrying sound thumping noise or something else. 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.

Sometimes humming or buzzing noises point to electrical problems. This could be due to squirrels dropping nuts or wood creaking or a raccoon stamping on the ceiling. 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. Loose parts and refrigerant piping can cause vibration and if left unchecked can lead to a more serious maintenance issue.

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. Those noises should decrease during the home s first year or so. Heating ducts as they cool also make banging noises as do. Knocking sound in attic if you hear a knocking sound in your attic this is a pretty good indication that an animal of some sort has taken up residence in that space.

There are a few possible sources for this sound but none of them ghostly or even worrying enough to call. The popping can sound rather loud as warm air expands or cool air shrinks the metal ductwork causing them to pop. If the compressor hums and refuses to. A humming sound generally isn t serious but it still signals that something inside your air conditioner is off.

Popping noises may sound like they are coming from walls when the sounds are actually traveling down the air ducts throughout the house. If you hear knocking noises in the attic it could be several different species. In new homes roof trusses or the wood used to frame the attic often is green meaning it still has a high moisture content as it dries it can shift and contract triggering bangs loud enough to make you think a tree fell on the roof. A loose attic vent or shutter on a window can make a banging noise in the wind.