flashing a roof hatch

Robb Macdonald
How do you flash a bilco type roof hatch on a metal building like Butler or Morton? The hatch is already on site, photo attached. It arrived with exposed fiberboard on the outside ready for a single ply flashing, not metal. Any details you could share is appreciated.
Dick Bus
Have you checked with Bilco if they offer a curb for use with a metal roof. There are many companies that make a curb for this type of installation. Two that I am aware of are Curbs Plus and LMCurbs.

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