Roof-to-wall, at eave. The Achilles heel of metal roofing

Roof-to-wall, at eave. The Achilles heel of metal roofing

This is a great shot of an often overlooked detail.  Notching the pan at this point will create a capillary trap. This inventive “spillout fold” eliminates the need for caulking, plastic underlayment, or any sort of goop to keep it dry.  Such a simple and elegant solution to an oft-forgotten problem.


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