I'm not sure what a Metal Sales Classic Rib wall panel looks like but there are quite a few websites where you can download textures.
Some are free and some are not.
One such website is ...
http://www.cgtextures.com/
Barry.
One of the forum moderators.
Versions 6.5 to 27
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11