Loud Thud In The Attic

Heating ducts as they cool also make banging noises as do.

Loud thud in the attic.

You can feel it on the first floor and second floor. It happens irregularly almost like someone dropped a heavy weight or fell and the house shakes a bit. 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. 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.

If it s the fall or. It is very loud on the first floor coming from different places on the ceiling not so loud on the second floor. There are a few possible sources for this sound but none of them ghostly or even worrying enough to call in the pros. It is unrelated to plumbing usage or to start and stop of hot water heating system.

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. The thump occurs several times a day usually in the evening.