Are the 8 ft. SM-Rib Galvalume Steel 29-Gauge Roof/Siding Panels painted gray on both sides?

The panels are not painted on both sides.

No, the 8 ft. SM-Rib Galvalume Steel 29-Gauge Roof/Siding Panels are not painted on both sides. The top of the panel is painted, while the other side is bare galvalume.