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What is the difference between exposed fastener imperial rib style metal roofing “screw down” and the concealed fastener standing seam style metal roofing?

April 26, 2017fastener Imperial metal roofing rib roofer style

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What is the difference between exposed fastener imperial rib style metal roofing “screw down” and the concealed fastener standing seam style metal roofing?

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Everything! Screw down style metal roofing uses exposed screws that penetrate the metal creating a hole in your roof. Standing seam style roofing uses screws but they attach underneath the metal panels and are not exposed to the elements. No hole!