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B. Comply with details and profiles as shown and with SMACNA "Architectural <br />Sheet Metal Manual" recommendations for installation of the work. <br />C. For non-moving seams provide soldered flat -lock seams, except as otherwise <br />indicated. Comply with metal producer's recommendations for tinning, soldering <br />and cleaning the joints. <br />D. Provide for thermal expansion of all exposed sheet metal work. <br />E. Locate joints at roof edge and other work exposed to view with respect to control <br />joints or other architectural features as indicated on the Drawings. Use minimum <br />6" cover plates. Where appearance is not a factor, work may be fabricated in 8 or <br />10 feet lengths. Locate seams minimum 2'-0" from corners. <br />F. Conceal fasteners and expansion provisions wherever possible. Fold back edges <br />on concealed side of exposed edges, to form a hem. <br />07600-3 <br />