Nevermind, I found the answer to my own question. I want to speak with Diane @ Alliance Metals.
I found a scrap of paper with that info on it. Thank goodness.
More info for those of you that are listening to me talk to myself. . .
They DON'T have 5 x 12 annodized aluminum. I must have heard them wrong. 4 x 12 is the biggest they have. So this means my trailer roof will have to have seams in it. Bummer.
