There are journals in siding allowing one piece to connect to another these can create noise during expansion also.
Aluminum siding popping noise.
When it s cold outside it will contract and become more brittle.
But more likely your siding is nailed too tightly moving or buckling when it is heated and expands.
Noisy metal siding i would agree with jim a small amount of space is needed to accomodate expansion.
The window reflects sunlight and directs the rays to the adjacent siding causing the same contraction and expansion.
Loose siding can make a flapping noise in windy conditions and may actually blow off the building as we show in our photo above.
This causes the aluminum to expand at a rapid rate creating a popping noise as the siding expands and contracts along the building s wall.
The focused reflection of the sun s energy as a result of the low e coated glass can rapidly heat the siding on the adjacent walls.
The popping sound might also be a combination of the window and siding.
By the diy experts of the family handyman magazine wedge the soffit in place.
Loose fitting aluminum soffits can develop annoying rattles when the wind blows in the right direction but the problem is easily solved with a few lengths of screen spline.
When temperatures soar vinyl will expand.
We fix the annoying popping noise.