On Nov 6, 12:35*am, "SteveB" toquerville@zionvistas wrote:
I found a source for new free corrugated 22 ga bare steel panels 3' wide.
I'm going to use them for a shade. *The guy said they were 602 or something
like that, meaning that the coating on them deteriorates quickly and
intentionally so that rust can form on the surface giving it the old barn
look. *Is there any spray I can put on there to hasten the process? *I can
get all I want and in lengths up to 16', and for a tip, the fork lift
operator loads them for me.

Steve

I'd spray them with soap to remove any oil, rinse and leave them out
to rust by themselves. Wet oak leaves discolor steel quickly. Once
they have a rust film, spray on some diluted rust inhibitor such as
LPS-3 to stop pitting.