How to lay and adhere EPDM Rubber Roofing Membrane around external corners

In this quick 5 minute explainer video, Marc of Plytech UK Ltd explains the best way to lay and adhere EPDM Rubber Roofing Membrane. The video shows March using RubberCover EPDM Membrane and QuickBond Water-based and Contact Adhesive.

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What about the corners?