The builder has brought in the roofing contractor who seems to have no idea what is causing it.
Roof creaking in wind.
Residential structural engineer is the pro to get for a consult.
In other cases a roof will creak at any time of day whenever there s the slightest wind.
Roof creaks when it s windy.
What we ve got is a ranch house and a walkout basement and the house has quite a tall ceiling.
Spray foam insulation added to the attic ceiling immediately opposite the roof will keep the wood frame and rafters at a more steady temperature.
So what happens is when there s a good strong north wind in the winter we get a nice creaking sound over our heads when we sleep against that north wall.
You want to place at least two four inch long timber screws through the 2 by 6 where it passes over the underside of the roof rafter or truss.
Diagonal braces almost always stop the noise.
Described in detail below a reader reported wind caused movement as traced to a squeaky sign mounted on a metal bracket another reader reported the squeaking was her roof mounted tv antenna.
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Squeaking and creaking traced to wind blown things attached to building exteriors such as signs antennas aerials weather vanes.
Roof popping in the wind is flexing the rafters or trusses.
Popping in the morning and evening is thermal expansion.
That will mitigate the wood contraction that causes creaking sounds from the roof.