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fastener PLACEMENTJULY 2025DURACLAD/ALLCLAD DIAMONDWEATHERSHIELD 1 WEATHERSHIELD 2WF-12-36 WF-12-36RWF-7/8%u201d CORRUGATED ROOF WF-7/8%u201d CORRUGATED WALLSWF-636 WALLS WF-636R ROOFWF-HF PROFILES PROBOARD 4 & 6PROLOK 12 & 16CORRECTT OO LOOSE TOO TIGHTNeoprene washer slightlyvisible at edge of metalwasher. Assembly isweather tight.Neoprene washer notvisible, not enoughcompression to sealproperly.Metal washer deformed.Neoprene washerextruded beyond edgeof washer.SealantLow sloped roofs and high wind areas.MESACORRECT TOO LOOSE TOO TIGHTProper Installation of Gasketed Fasteners Sidelap Sealant
