 uh and i drive around and i see a metal roof i'll look up on top and if it's like my the barns that i've built and it has screws on the top of it would you warn people against doing that style of roof and screwing screws into the top yeah i do not recommend an exposed fastener metal roof and the reason being is because um the metal uh the the screw has a rubber grommet on it and that's what keeps it from leaking well that rubber grommet will eventually