Laserfiche WebLink
07311 Asphalt Shingles <br /> A. Provide and install asphalt shingle roofing systems as shown on the Drawings and specified herein: <br /> 1. Portion of work of this Section is by a�ternate: <br /> a. Installation of waterproof underlayment over the entire roof <br /> b. Upgrading of asphalt shingles. <br /> B. Roofing Materials: <br /> 1. Waterproof Underlayment at Eaves and Valleys: ASTM D 1970, self-adhering, rubberized asphalt <br /> membrane, 36 inch wide: <br /> a. "Weather Watch" (GAF Materials Corp.); "WinterGuard" (CertainTeed Corp.); "Ice and Water Shield" <br /> (W.R. Grace & Co.); °Deck-Dri" (Owens-Coming Fiberglass Corp.); or equal and approved. <br /> 2. Felt Underlayment: Fiberglass-reinforced; asphalt-saturated; 36 inch wide: <br /> a. "Shingle-Mate" (GAF Materials Corp.); or equal. <br /> 3. Asphalt Shingles: Self-sealing; fiberglass reinforced; Class A rating; UL 997 Label: <br /> a. Base Bid: °Timberline 25 Shadow Accent" (GAF Materials Corp.); medium weight; 25 year limited <br /> warranty <br /> b. Under Alternate Bid: "Timberline Ultra Shadow Accent" (GAF Materials Corp.); super heavyweight; <br /> 40 year limited warranty <br /> c. Color: As selected by the Architect from full range of manufacturer's standard <br /> d. Provide factory pre-cut ridge shingles <br /> e. Provide minimum 100 SF of extra shingle materials, and turn over to the Owner for possession <br /> following completion of the Work. <br /> 4. Eave Starter Course: Mineral surfaced, heavy roll roofing, to match shingles: <br /> a. Color: As selected by the Architect. <br /> 5. Metal Flashing: ASTM A 361/A 361M; minimum 24 ga.; color-coated, galvanized sheet metal: <br /> a. "UNA-CLAD" (Copper Sales, Inc.); "ColorKlad" (Vincent Metals); "PAC-Clad" (Peterson Aluminum <br /> Corporation); or equal and approved <br /> b. Provide metal drip edges along all horizontal eaves and rake edges of roof <br /> c. Provide valley flashing with crimped, raised center. <br /> 6. Metal Gutters and Downspouts: ASTM A 361/A 361M; color-coated, galvanized sheet metal; gauges as <br /> required for Project conditions: <br /> a. "UNA-CLAD" (Copper Sales, Inc.); "ColorKlad" (Vincent Metals); °PAC-Clad" (Peterson Aluminum <br /> Corporation); or equal and approved. <br /> 7. Ridge Vent: Shingle-over plastic/fiberglass ridge vent,with end plugs, weather filter,wind baffle and high- <br /> density polyethylene UV filter: <br /> a. "Cobra Ridge VenY' (GAF Materials Corp.); "Shingle-Over Ridge VenY' (Air Vent, Inc.); or equal and <br /> approved <br /> b. Color: Black. <br /> 8. Roof(Jack) Vents: Aluminum with insect screen and minimum 50 square inches free area per vent: <br /> � <br /> a. "Roof Louver, Model RVA-50" (Anderson Metal Products Co.); or equal and approved <br /> b. Color: As selected by the Architect from manufacturer's standard. <br /> 9. Nails: Standard roofing nails; hot-dipped galvanized steel, aluminum, or chromated steel; minimum 3/8 <br /> inch head; minimum 11 or 12 ga. shank; of sufficient length to penetrate at least 3/4 inch into solid <br /> decking, or to penetrate through plywood sheathing. <br /> 10. Roofing (Plastic) Cement: ASTM D 4586. <br /> C. Metal Drip Edges: Install tight to fascia boards or trim: <br /> 1. Install along horizontal eaves before underlayments are installed. <br /> 2. Install along sides (rakes) after underfayments are installed. <br /> 3. Weather lap joints minimum two inches (2"). Secure flange with nails spaced eight inches (8") on center. <br /> 633 SPECIFICATIONS <br /> Page 42 <br />