OK...so we had an incredible wind storm the other night...70+. One tree branch through our car bumper ($1500) estimate for repair and also a tree branch through the roof of our Alpenlite. Hole went th...
I do not see why you could not use a piece of aluminum at least 1/8 inch thick. I would try to locate the "rafters and bridge across two. Then seal with Dycor self leveling sealant. You may want to put some on the bottom of the metal plate before placing on the roof.