Loud Thud In The Attic

There are a few possible sources for this sound but none of them ghostly or even worrying enough to call in the pros.

Loud thud in the attic.

If nothing obvious turns up you ll need to hire a roofer to look for a loose vent cap on the roof or a piece of flashing that s moving and transmitting the noise down through a rafter and into the. You can feel it on the first floor and second floor. 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. Heating ducts as they cool also make banging noises as do.

It happens irregularly almost like someone dropped a heavy weight or fell and the house shakes a bit. If it s the fall or. If it s not what paul ward said water hammer which usually occurs when a water valve abruptly shuts off then it s probably temperature change in the attic. It is unrelated to plumbing usage or to start and stop of hot water heating system.

Sometimes two or three in a row a few minutes apart. 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.