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    Metal Roofing Systems

    As with submittal approval, be cautious in approving materials, systems and particulars that are not in accordance with the contract documents while performing field observations . For instance, the roofing crew may need to use different fasteners to attach the membrane as a result of the accredited fasteners were not despatched to the job website. Before accepting the fasteners, determine if wind uplift check ratings shall be affected and if the membrane producer will approve the alternative fasteners. Another instance is a penetration detail that the foreman needs to flash in a different way than detailed. The introduction of significantly different types of roofing materials is unlikely. The trend in…

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