Can the 10 ft. Corrugated Galvanized Steel 29-Gauge Roof Panel withstand heat if used for the patio?

If the metal is high enough it tends to not be a problem but low ceilings will make the patio hot.

The panel does radiate heat through to the underside. If the metal is high enough it tends to not be a problem but low ceilings will make the patio hot. We recommend installing plywood decking to help.