I have it on my roof too. Since I have a 12/12 pitch, I am not climbing on it though.

I am counting on acid rain to clean it off!

Seriously though, it is sixteen years old. I am not really counting on a whole lot more life from it.

Tom W

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.