Damaged (warped) Vinyl Siding

Any ideas as to how this siding became warped or damaged. This is the rear of the home just above the basement walk-out. I usually come across this type of warping when the homeowners have placed a grille to close to the siding and the heat from the grille warps the siding.

However, that would not be the case here, and it seems odd to have that warped siding in this location. Another odd thing is the so called “shield” on the right side of the window adjacent to the damaged area. It looks like it was put there on purpose.

Any suggestions?




Reflections off the glass can do that, also some vinyl siding that has been painted a darker color will warp.


Wow, great info!

Thanks Bruce.