As your house quiets down at night and the temperatures fall the cooling of your roof components can often be heard.
Roof noise in winter.
Also see banging booming noise diagnosis cure.
The timbers and framing lumber will crack before the collapse but sometimes there s not a lot of warning.
The sun shines on your roof all day warming the tiles and sub roof.
Also temperature related movements in roofing materials can cause annoying roof noises that lead to building noise complaints by the occupants.
What you re hearing however is the effect of low temperatures on the building materials.
Awakening in the middle of a cold night by repeated loud banging from your home s roof can be quite alarming giving rise to visions of falling tree limbs or intruders on the roof.
What happens is during the cold winter months wood trusses in your attic and or on your outside deck contract and make a loud booming noise as they move.
There is no noise in the winter.
The new roof was added on top of the existing flat roof.
It starts again in the spring.
Popping cracking and snapping sounds coming from their roofs especially when the colder weather hits is a common problem.
See noise control for roofs for details.
The same is true in the morning as they warm back up from the sun hitting the they expand making a loud boom or bang noise.
The most dangerous situations are when the roof is about to collapse because of too much snow and ice.