This is especially the case if you have low e glass windows and aluminum siding.
Aluminum siding popping noise.
We fix the annoying 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.
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.
There are journals in siding allowing one piece to connect to another these can create noise during expansion also.
The window reflects sunlight and directs the rays to the adjacent siding causing the same contraction and expansion.
When temperatures soar vinyl will expand.
Loose siding can make a flapping noise in windy conditions and may actually blow off the building as we show in our photo above.
Noisy metal siding i would agree with jim a small amount of space is needed to accomodate expansion.
The popping sound might also be a combination of the window and siding.
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.
Aluminum siding may also act as a barrier holding moisture creating more issues.