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B. Snap-On Seams: Provide snap -on seams integrated with panel -edge profile as recommended by portable <br />Lroll -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 />w <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 />Wabasso Beach Park <br />Indian River County <br />DAA Project No. 6008 <br />07610-5 <br />