VA 07 31 13-2012 ASPHALT SHINGLES.pdf

1、05-01-12 07 31 13 - 1 SECTION 07 31 13 ASPHALT SHINGLES SPEC WRITER NOTE: 1. Delete between /_/ if not applicable to project. Also delete paragraphs not applicable and renumber the others. 2. For projects in locations where the January daily average temperature is -40C(250F) or less, roof slopes wil

2、l be a minimum of 1:3 (4 inches per foot) and underlayment shall be modified in accordance with manufacturers recommendations. 3. This guide specifications does not include requirements for the following: a) Deck treatment for re-roofing work (with either old roofing to remain in place or old roofin

3、g removed). b) Mansard construction slopes 5:3 (21 inches per foot) or steeper. PART 1 - GENERAL 1.1 DESCRIPTION This section specifies organic felt and fiberglass asphalt shingles. 1.2 RELATED WORK A. Color of shingles: Section 09 06 00, SCHEDULE FOR FINISHES. B. Counterflashing and flashing of roo

4、f projections: Section 07 60 00, FLASHING AND SHEET METAL. C. Skylights, roof scuttles, ridge and roof vents, Section 07 71 00, ROOF SPECIALTIES / Section 07 72 00, ROOF ACCESSORIES /. 1.3 SUMITTALS A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. B. Samples:

5、Shingles, each type, color and texture. C. Manufacturers Literature and Data: 1. Shingles, each type 2. Installation instructions 1.4 DELIVERY AND STORAGE A. Deliver materials in manufacturers unopened bundles or containers with the manufacturers brand and name clearly marked thereon. B. Shingle bun

6、dle wrapping shall bear the label of Underwriters Laboratories, Inc. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-05-01-12 07 31 13 - 2 C. Store shingles in accordance with manufacturers printed instructions. Store roll goods on end in an upright

7、position. D. Keep materials dry, covered completely and protected from the weather. 1.5 APPLICABLE PUBLICATIONS A. Publications listed below form a part o this specification to the extent referenced. Publications are referenced in the text by the basic designation only. B. American Society for Testi

8、ng and Materials (ASTM): D226-09 Asphalt-Saturated Organic Felt Used in Roofing and Waterproofing D1970-11 . Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection D2178-04 . Asphalt Glass Felt used in Roofing and Waterproofing D3018-11 .

9、Class A Asphalt Shingles Surfaced with Mineral Granules D3462-10 . Asphalt, Shingles Made from Glass Felt and Surfaced with Mineral Granules F1667-11 . Driven Fasteners: Nails, Spikes, and Staples C. Underwriters Laboratories Inc. (UL): UL790-08 . Fire Tests of Roof Covering PART 2 - PRODUCTS SPEC W

10、RITER NOTE: Make material requirements agree with applicable requirements specified in the referenced Applicable Publications. Update and specify only that which applies to the project. 2.1 SHINGLES A. Class A: (Fire resistive), per UL790. ASTM D3018, Type I and ASTM 3462, square butt for a maximum

11、exposure of 125 mm (5 inches), headlap minimum 50 mm (2 inches), wind resistant, self sealing. Minimum weight: 10.3 Kg/sqm (210 lbs/100sft). 2.2 ROOFING NAILS A. ASTM F1667; Type I, Style 20, galvanized steel, deformed shanks, with heads 9.5 mm to 11 mm (3/8-inch to 7/16-inch) diameter. B. Use nails

12、 32 mm (1-1/4 inches) long for shingles and 19 mm (3/4-inch long) for felt. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-05-01-12 07 31 13 - 3 2.3 ROOFING FELT A. Fiberglass Felt: ASTM D2178. B. Organic Felt: ASTM D226, TYPE l. C. Modified bitumen

13、 ASTM D 1970. PART 3 EXECUTION 3.1 PREPARATION A. Roof surfaces shall be sound, reasonably smooth and free from defects which would interfere with roofing installation. B. Roof accessories, vent pipes and other projections through the roof must be in place and roof flashing installed or ready for i

14、nstallation before laying shingles. 3.2 LAYING A. Lay felt under shingles over entire roof. B. Install asphalt felt underlayment, lapping a minimum of 100 mm (four inches) at ends, 50 mm (2 inches) at head and 300 mm (12 inches) over ridge. Extend felt 13 mm (1/2-inch) beyond edges of roof. Nail fel

15、t 125 mm (five inches) on centers along laps. C. At eaves, install strip of 41 Kg (90 pound) mineral surface roll roofing not less than 460 mm (18 inches) wide and starter course of roof shingles with tabs reversed. Both shall overhang lower edge of roof 13 mm (1/2-inch). D. Lay shingles with maximu

16、m exposure of 125 mm (5 inches). Nail shingles in accordance with manufacturers published directions. 3.3 METAL DRIP EDGES A. At rakes, install metal drip edges made of stainless steel specified under Section 07 60 00, FLASHING AND SHEET METAL. Apply the metal drip edge directly over the underlaymen

17、t along the rakes. B. Secure metal drip edges with compatible nails spaced not more than 250 mm (10 inches) on center along the inner edges. 3.4 FLASHINGS Provide metal flashings specified under Section 07 60 00, FLASHING AND SHEET METAL at the intersections of roofs, adjoining walls, or projections

18、 through the deck such as chimneys and vent stacks. Give careful attention to the installation of all flashings. 3.5 RIDGE A. Bend each shingle lengthwise down center to provide equal exposure on each side of ridge. Beginning at one end of ridge, apply shingles with maximum 125 mm (5 inches) exposur

19、e. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-05-01-12 07 31 13 - 4 B. Secure each shingle with one nail on each side, 210 mm (8-1/2 inches) back from exposed end and one inch up from edge. 3.6 VALLEY FLASHING A. Install metal valley flashing sh

20、own and as specified under Section 07 60 00, FLASHING AND SHEET METAL. B. Secure valley flashing in accordance with shingle manufacturers printed instructions. C. Expose flashing in open portion of valley a minimum of 125 mm (5 inches) and lap the shingles over the flashing a minimum of 125 mm (5 in

21、ches). 3.7 ROOF ACCESSORIES A. Install / skylights, / roof scuttles, / ridge / and roof vents, / as specified under Section 07 71 00, ROOF ACCESSORIES prior to placing shingles. B. Lap shingles over the accessories flashing a minimum of 125 mm (5 inches). - - - E N D - - - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-