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SHSC HVAC and Roof Replacement Smith Sinnett / 2020072 <br />Orange County, North Carolina <br /> <br />METAL ROOF SYSTEM 07 41 00 - 8 <br />PART 3 - EXECUTION <br />3.1 PANEL INSTALLATION <br />A. General: Comply with manufacturers' instructions and recommendations for installation, as applicable to <br />project conditions and supporting substrates. Anchor panels and other components of the work securely <br />in place, with provisions for thermal and structural movement. <br />1. Field cutting of exterior panels by torch is not permitted. <br />2. Install panels with concealed fasteners. <br />3. Install all trim elements with butt joints and concealed splice plates, do not nest trim pieces <br />together. <br />4. Install all panels and associated trim with concealed fasteners. <br />5. Where the use of occasional pop-rivets is required in the work, provide stainless steel rivets with <br />heads colored to match the finish work. <br />B. Accessories: Install components required for complete roof, facial and soffit panel systems, including <br />trim, copings, fascias, gravel stops, mullions, sills, corner units, ridge closures, clips, seam covers, <br />battens, flashings, gutters, louvers, sealants, gaskets, fillers, closure strips, and similar items. <br />C. Joint Sealers: Install gaskets, joint fillers, and sealants where indicated and where required for <br />weatherproof performance of panel systems. Provide types of gaskets, sealants, and fillers indicated or, if <br />not otherwise indicated, types recommended by panel manufacturer. <br />1. Provide weatherseal under ridge cap. Flash and seal roof panels at eave and rake with rubber, <br />neoprene, or other closures to exclude weather. <br />2. Refer to other sections of these specifications for product and installation requirements applicable <br />to indicated joint sealers. <br />D. Standing Seam Roof Panel System: Fasten roof panels to supports with concealed clip in accordance <br />with the manufacturer's instructions. <br />1. Install clips at spacing required with self-drilling/self-tapping fasteners. Provide corrosion resistant <br />fasteners as recommended by the manufacturer for the installation indicated <br />2. Install roof panels in single lengths without end laps. <br />3. Seaming: Complete seaming of panel joints by operation of portable power-driven equipment of <br />type recommended by panel manufacturer to provide a weathertight joint. <br />4. Provide and install curbs and flashings for all roof penetrations, including plumbing vents and <br />mechanical penetrations. <br />E. Installation Tolerances: Shim and align panel units within installed tolerance of 1/8 inch in 20'-0" on <br />level/plumb/slope and location/line as indicated, and within 1/16-inch offset of adjoining faces and of <br />alignment of matching profiles. <br />3.2 ROOF PENETRATIONS <br />A. Provide and install roof manufacturer prescribed curb flashing, “crickets”, counter flashings and other <br />flashing and sealants necessary to completely waterproof all roof penetrations, including all existing <br />plumbing vents and existing mechanical penetrations to provide a complete watertight, fully warranted <br />roof assembly. <br />B. Pipe Boots: Install metal roof system manufacturer provided roof vent pipe boots at all plumbing vents <br />C. Installation Tolerances: Shim and align panel units within installed tolerance of 1/8 inch in 20'-0" on <br />level/plumb/slope and location/line as indicated, and within 1/16-inch offset of adjoining faces and of <br />alignment of matching profiles. <br />3.3 CLEANING AND PROTECTIONS <br />A. Damaged Units: Replace panels and other components of the work that have been damaged or have <br />deteriorated beyond successful repair by means of finish touch-up or similar minor repair procedures. <br />DocuSign Envelope ID: 94E7997D-4F29-42F6-A9B4-0A160438D2A6