I wish my Edit would work and not crash my browser.

However (this is what I wanted to add) ...

I've always seen performed valleys with the center water diverter used on metal roofing.

Attached is one detail from one manufacturer, most I have shown the same thing.

Attached Images

5-v_valley_details.pdf (104.2 KB, 24 views)

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Jerry Peck, Construction / Litigation Consultant
Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )