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B . Snap-On Seams : Provide snap-on seams integrated with panel-edge profile as recommended by portable <br /> i• roll-forming equipment manufacturer to produce sheet metal roofing assemblies that comply with UL 580 <br /> for wind-uplift resistance classification specified in " Quality Assurance " Article. <br /> C. Fasteners : Wood screws, annular-threaded nails, self-tapping screws, self-locking rivets and bolts, and <br /> other suitable fasteners designed to withstand design loads. <br /> 1 . General: <br /> a . Exposed Fasteners : Heads matching color of sheet metal roofing using plastic caps or <br /> factory-applied coating. <br /> b . Fasteners for Flashing and Trim: Blind fasteners or self-drilling screws, gasketed, with <br /> hex-washer head. <br /> C . Blind Fasteners : High-strength aluminum or stainless-steel rivets suitable for metal being <br /> fastened. <br /> 2 . Fasteners for Aluminum-Zinc Alloy-Coated Steel Sheet: Hot-dip galvanized steel according to <br /> ASTM A 153/A 153M, ASTM F 2329, or Series 300 stainless steel. <br /> D . Sealant Tape : Pressure-sensitive, 100 percent solids, gray polyisobutylene compound sealant tape with <br /> release-paper backing. Provide permanently elastic, nonsag, nontoxic, nonstaining tape 1 /2 inch ( 13 mm) <br /> wide and 1 /8 inch (3 mm) thick. <br /> E . Elastomeric Sealant: ASTM C 920, elastomeric polyurethane polymer sealant as recommended by <br /> portable roll-forming equipment manufacturer for installation indicated; low modulus; of type, grade, <br /> class, and use classifications required to seal joints in sheet metal roofing and remain watertight. <br /> F. Butyl Sealant: ASTM C 1311 , single-component, solvent-release butyl rubber sealant; polyisobutylene <br /> plasticized; heavy bodied for hooked-type expansion joints with limited movement. <br /> G. Bituminous Coating : Cold-applied asphalt emulsion complying with ASTM D 1187 . <br /> 2 .4 ACCESSORIES <br /> A. Sheet Metal Accessories : Provide components required for a complete sheet metal roofing assembly <br /> including trim, copings, fasciae, comer units, clips, flashings, sealants, gaskets, fillers, metal closures, <br /> closure strips, and similar items. Match material and finish of sheet metal roofing unless otherwise <br /> indicated. <br /> 1 . Provide accessories as recommended by portable roll-forming equipment manufacturer to produce <br /> sheet metal roofing assemblies that comply with UL 580 for wind-uplift resistance classification <br /> specified in "Quality Assurance" Article . <br /> 2 , Clips : Minimum 0 .062-inch- ( 1 . 59-mm-) thick, stainless-steel panel clips designed to withstand <br /> negative-load requirements . <br /> 3 . Backing Plates : Plates at roofing splices, fabricated from material recommended by SMACNA. <br /> 4 , Closure Strips : Closed-cell, expanded, cellular, rubber or crosslinked, polyolefin foam or closed- <br /> cell laminated polyethylene ; minimum 1 -inch- (25 -mm-) thick, flexible-closure strips ; cut or <br /> premolded to match sheet metal roofing profile. Provide closure strips where indicated or <br /> necessary to ensure weathertight construction. <br /> 5 . Flashing and Trim: Formed from same material and with same finish as sheet metal roofing, <br /> minimum thickness matching the sheet metal roofing. <br /> IL <br /> Wabasso Beach Park 07610 - 5 <br /> Indian River County <br /> DAA Project No. 6008 <br />