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Question DetailsAsked on 11/13/2016

New Home makes a loud bang and vibration like something fell on the roof what is this?

The house is only two years old. Within the past two weeks and twice in one day, a loud thud/bang combined with vibration occurred. I would say it is similar to what might occur if there was blasting in the area. Its not just a creak from settling, its obvious. The house is single story on slab. I looked in the attic and outside at the roof. No cracks, nothing out of place. Is there an issue with property underground? It just feels abnormal.

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2 Answers


Below is a link to a similar question about house noises - their case is not specifically yours, but check out the included links in the response about house sounds - some could apply to you, especially deck noise if you have just started getting below freezing at night in the past 2 weeks, and most especially if the noise occurs a few hours after the deck goes below freezing. Another alternative deck noise cause though rarer - if this is the first time since you have lived there that a deck has gotten well saturated with rains or melting snow, if the deck boards are butted too tightly together at the edges or ends, "popping" of the boards or even failure of the nails/screws can occur as the wet wood tries to expand. Generally, if deck cold or wetness is causing this noise, if you go out immediately after the noise and walk around on it up and down every board, the noise will occur again while you are doing that so you can hear if that is the noise you are hearing.

Also - look around the house, inside and out, for cracking slab, signs of settlement like diagonal drywall cracking, jamming doors or windows, significant cracking or sagging in the earth around the house, etc which might indicate a foundation issue. And of course, if in expansive soil area or sinkhole country (ask several of your neighbors if this is so) then if you see any signs of cracking or settlement inside or out might be time to get a Structural Engineer (your Search the List category) out to look at it.

Answered 3 years ago by LCD



This is James in Member Care. Thanks for your interest in Angie's List!

We'll be happy to help find top rated Structural Engineers, but it doesn't look like you have a subscription to the List yet. You can join by visiting or by giving us a call. Our call center is available 8:00 am-9:00 pm weekdays and 8:00-5:00 pm ET on Saturdays.

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Answered 3 years ago by Member Services

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