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. i <br /> manufacturer's recommended application procedure for asphalt shingles.APPLICATION DIRECTLY OVER I <br /> POLYURETHANE OR POLYSTYRENE SURFACES WILL NOT BE APPROVED.) <br /> 2.3 ROOF DECK REQUIREMENTS FOR NEW CONSTRUCTION <br /> A. Plywood decks must be at least 3/8-inch thick plywood or7/16-inch OSB type structural sheets conforming to <br /> the exposure standards and specifications of the APA-The Engineered Wood Association and the building <br /> code,or wood board decks must be welt-seasoned, minimum nominal thickness 1-inch, not over 6-inches in <br /> width. <br /> 2.4 ACCESSORIES <br /> A. PABCO® Universal Starter, or site fabricated as specified in Part 3: <br /> 1. Size: 7-5/8 inches by 39-318 inches. <br /> 2. Coverage: 105 linear feet. <br /> B. PABCO® Shadow Cap <br /> 1. Size: 13-1/4 inches by 39-3/8 inches, perforated to 4 pieces. <br /> 2. Coverage: 41-1/4 linear feet. <br /> Specifier Note: Felt shall be 3rd party listed as prepared roofing accessory or complying with ASTM D226, ASTM D4869, <br /> or ASTM D6757, applied per manufacturer's instructions. <br /> C. Felt Undertayrnent: Felt underlayment to comply with local building code. <br /> Specifier Note: Self-adhering underlayment shall be 3rd party certified complying with ASTM D1970, applied per <br /> manufacturer's instructions. <br /> D. Self-Adhering Sheet Underlayment: ASTM D1970. <br /> E. Asphalt Roofing Cement: ASTM D 4586, asbestos free. <br /> F. Fasteners: <br /> 1. Roofing Nails: ASTM F 1667; aluminum, stainless-steel, copper, or hot-dip galvanized-steel wire shingle <br /> nails, minimum 0.120-inch- diameter, [barbed] [smooth] shank, sharp-pointed,with a minimum 3/8-inch <br /> diameter flat head and of sufficient length to penetrate 3/-inch into solid wood decking or through OSB or <br /> plywood sheathing. <br /> 2. Where nails are in contact with metal flashing, use nails made from same metal as flashing. <br /> G. Metal Flashing and Trim <br /> 1. Sheet Metal Flashing and Trim: [Comply with requirements in Section 07 62 00 -Sheet Metal Flashing <br /> and Trim.] [Fabricate sheet metal flashing and trim to comply with recommendations in SMACNA's <br /> "Architectural Sheet Metal Manual" that apply to design,dimensions, metal, and other characteristics of <br /> item.) <br /> 2. Drip Edges: Fabricate in lengths not exceeding [10-feet] [Insert length]with a minimum 2-inch roof deck <br /> flange and a minimum 1-1/2 inch fascia flange with 3/8-inch drip at lower edge. <br /> PART 3— EXECUTION <br /> 3.1 EXAMINATION <br /> A. Verify substrate and surface conditions are in accordance with asphalt shingle manufacturer recommended <br /> tolerances prior to installation of asphalt shingle and accessories. <br /> 3.2 GENERAL INSTALLATION OF SHINGLES <br /> A. General: Install in accordance with PABCO®Roofing Products'written instructions and in compliance with <br /> local authorities having jurisdiction. To qualify for warranty protection and to obtain stated coverage, <br /> manufacturer's written instructions must be followed. <br /> 1. [Local roofing practices that do not materially deviate from PABCO®Roofing Products'installation <br /> instructions may be considered, but should be submitted to the design professional and to PABCO®for <br /> review prior to installation.] <br /> Specifier Note: PABCO®shingles are not approved for use on roof slopes less than 2:12. <br /> B. Manufacturer's standard application instructions apply to slope/inclines between 4-inches per foot and 21- <br /> inches per foot. Refer to manufacturer's additional requirements for use on slopes between 2:12 and 4:12, or <br /> greater than 21:12. <br /> Project Name/Project Number/Insert Date Revised 11117120-Page4 ASPHALT SHINGLES <br /> PABCO®Roofing Products <br />