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HomeMy WebLinkAbout07 31 13 Fiberglass-Reinforced Asphalt ShinglesTHE KENT 07 31 13 - THE KENT Issue Date 05.09.18 FIBERGLASS-REINFORCED ASPHALT SHINGLES THE KENT SECTION 07 31 13 – FIBERGLASS REINFORCED ASPHALT SHINGLES PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section. 1.2 SUMMARY A. Section Includes: 1. Fiberglass reinforced asphalt shingles. 2. Underlayment. B. Related Sections: 1. Section 06 10 00 "Rough Carpentry” for wood framing. 2. Section 06 16 00 "Sheathing" for roof sheathing. 3. Section 07 62 00 "Sheet Metal Flashing and Trim" for metal roof penetration flashings counter flashings and flashings. 4. Section 07 72 00 "Roof Accessories" for ridge vents. 1.3 DEFINITION A. Roofing Terminology: See ASTM D 1079 and glossary of NRCA's "The NRCA Roofing and Waterproofing Manual" for definitions of terms related to roofing work in this Section. 1.4 ACTION SUBMITTALS A. Product Data: For each type of product indicated. B. Samples for Initial Selection: For each type of asphalt shingle ridge and hip cap shingles ridge vent and exposed valley lining indicated. 1. Include similar Samples of trim and accessories involving color selection. C. Samples for Verification: For the following products, of sizes indicated, to verify color selected: 1. Asphalt Shingle: Full size. 2. Ridge and Hip Cap Shingles: Full size. 3. Ridge Vent: 12-inch- long Sample. 4. Exposed Valley Lining: 12 inches square. 5. Self-Adhering Underlayment: 12 inches square. 1.5 INFORMATIONAL SUBMITTALS A. Qualification Data: For qualified Installer. THE KENT 07 31 13 - THE KENT Issue Date 05.09.18 FIBERGLASS-REINFORCED ASPHALT SHINGLES THE KENT B. Product Test Reports: Based on evaluation of comprehensive tests performed by manufacturer and witnessed by a qualified testing agency, for asphalt shingles. C. Research/Evaluation Reports: For each type of asphalt shingle required, from the ICC. D. Warranties: Sample of special warranties. 1.6 CLOSEOUT SUBMITTALS A. Maintenance Data: For each type of asphalt shingle to include in maintenance manuals. 1.7 MAINTENANCE MATERIAL SUBMITTALS A. Furnish extra materials that match products installed and that are packaged with protective covering for storage and identified with labels describing contents. 1. Asphalt Shingles: 100 sq. ft. of each type, in unbroken bundles. 1.8 QUALITY ASSURANCE A. Installer Qualifications: Manufacturer's authorized representative who is trained and approved for installation of units required for this Project. 1. Refer also to Specification Section 01 40 00 “Quality Requirements.” B. Source Limitations: Obtain ridge and hip cap shingles ridge vents, felt underlayment and self- adhering sheet underlayment from single source from single manufacturer. C. Fire-Resistance Characteristics: Where indicated, provide asphalt shingles and related roofing materials identical to those of assemblies tested for fire resistance per test method below by UL or another testing and inspecting agency acceptable to authorities having jurisdiction. Identify products with appropriate markings of applicable testing agency. 1. Exterior Fire-Test Exposure: Class A; ASTM E 108 or UL 790, for application and roof slopes indicated. D. Mockups: Build mockups only if directed in writing by Architect. Mockups are constructed to verify selections made under sample submittals and to demonstrate aesthetic effects and set quality standards for materials and execution. 1. Build mockups for asphalt shingles including related roofing materials. a. Size: 48 inches long by 48 inches wide. 2. Approval of mockups does not constitute approval of deviations from the Contract Documents contained in mockups unless Architect specifically approves such deviations in writing. 3. Approved mockups may become part of the completed Work if undisturbed at time of Substantial Completion. E. Pre-installation Conference: Conduct conference at Project site. THE KENT 07 31 13 - THE KENT Issue Date 05.09.18 FIBERGLASS-REINFORCED ASPHALT SHINGLES THE KENT 1.9 DELIVERY, STORAGE, AND HANDLING A. Store roofing materials in manufacturer’s unopened, labeled packaging, in a dry, well-ventilated, weathertight location according to asphalt shingle manufacturer's written instructions. Store underlayment rolls on end on pallets or other raised surfaces. Do not double stack rolls. 1. Handle, store, and place roofing materials in a manner to avoid significant or permanent damage to roof deck or structural supporting members. B. Protect unused underlayment from weather, sunlight, and moisture when left overnight or when roofing work is not in progress. 1.10 PROJECT CONDITIONS A. Environmental Limitations: Do not deliver or install asphalt shingles until spaces are enclosed and weathertight, wet work in spaces is complete and dry, and temporary HVAC system is operating and maintaining ambient temperature and humidity conditions at occupancy levels during the remainder of the construction period. 1. Install self-adhering sheet underlayment within the range of ambient and substrate temperatures recommended by manufacturer. B. Proceed with work only when existing and forecasted weather conditions will permit work to be performed in accordance with GAF’s recommendations. 1.11 WARRANTY A. Special Warranty: Standard form in which manufacturer agrees to repair or replace asphalt shingles that fail in materials or workmanship within specified warranty period. 1. Failures include, but are not limited to, the following: a. Manufacturing defects. b. Structural failures including failure of asphalt shingles to self-seal after a reasonable time. 2. Material Warranty Period: 40 years from date of Substantial Completion, prorated, with first three years non-prorated. 3. Wind-Speed Warranty Period: Asphalt shingles will resist blow-off or damage caused by wind speeds up to 130 mph for five years from date of Substantial Completion. 4. Algae-Discoloration Warranty Period: Asphalt shingles will not discolor five years from date of Substantial Completion. 5. Workmanship Warranty Period: 5 years from date of Substantial Completion. B. Special Project Warranty: Roofing Installer's Warranty, or signed by roofing Installer, covering the Work of this Section, in which roofing Installer agrees to repair or replace components of asphalt shingle roofing that fail in materials or workmanship within specified warranty period. 1. Warranty Period: Two years from date of Substantial Completion. THE KENT 07 31 13 - THE KENT Issue Date 05.09.18 FIBERGLASS-REINFORCED ASPHALT SHINGLES THE KENT PART 2 - PRODUCTS 2.1 GLASS-FIBER-REINFORCED ASPHALT SHINGLES A. Multi-tab-Strip Asphalt Shingles: ASTM D 3462, glass-fiber reinforced, mineral-granule surfaced, and self-sealing. 1. Manufacturers: Subject to compliance with requirements, the following is the basis for design: G.A.F. “Slateline” 2. Tab Arrangement: Five tabs, regularly spaced. 3. Exposure: 8” 4. Strip Size: Manufacturer's standard dimensional type. 5. Algae Resistance: Granules treated to resist algae discoloration for 10-years. 6. Color and Blends: As selected by Architect from manufacturer's full range. B. Starter Strip Shingles: 1. G.A.F. “Weather Blocker” 2. Algae Resistance: Granules treated to resist algae discoloration for 10-years. 3. Color and Blends: As selected by Architect from manufacturer's full range. C. Hip and Ridge Shingles: 1. G.A.F. “Timbertex”. 2. Exposure: 8” 3. Algae Resistance: Granules treated to resist algae discoloration for 10-years. 4. Color and Blends: As selected by Architect from manufacturer's full range. 2.2 UNDERLAYMENT MATERIALS A. Synthetic Underlayment: 1. Manufacturers: Subject to compliance with requirements, the following is the basis for design: InterWrap “Rhino Roof U20” 2. ASTM Class A Fire E108 B. Eave & Rake Self-Adhering Sheet Ice & Watersheild: Polyethylene Faced: ASTM D 1970, minimum of 40-mil- thick, slip-resisting, polyethylene-film-reinforced top surface laminated to SBS-modified asphalt adhesive, with release paper backing; cold applied. Provide primer for adjoining concrete or masonry surfaces to receive underlayment. 1. Manufacturers: Subject to compliance with requirements, the following is the basis for design: Mid -States Asphalt “Quick-Stick IW. THE KENT 07 31 13 - THE KENT Issue Date 05.09.18 FIBERGLASS-REINFORCED ASPHALT SHINGLES THE KENT 2.3 RIDGE VENTS A. Rigid Ridge Vent: Manufacturer's standard, rigid section high-density polypropylene or other UV-stabilized plastic ridge vent with nonwoven geotextile filter strips and external deflector baffles; for use under ridge shingles. 1. Manufacturers: Subject to compliance with requirements, the following is the basis for design: a. G.A.F. “MasterFlow” AR10 b. Aluminum: 0.0135 c. 215 NFA per lineal foot d. Color: As selected by Architect from manufacturer's full range. B. Box Vents 1. Manufacturers: Subject to compliance with requirements, the following is the basis for design: Air Vent, Inc. “Slant Back Plastic” SLB 150 2. 24”x24” 3. 150 NFA per vent 4. Color: Black 2.4 ACCESSORIES A. Asphalt Roofing Cement: ASTM D 4586, Type II, asbestos free. B. Roofing Nails: ASTM F 1667; aluminum, stainless-steel, copper, or hot-dip galvanized-steel wire shingle nails, minimum 0.120-inch- diameter, shank, sharp-pointed, with a minimum 3/8- inch- diameter flat head and of sufficient length to penetrate 3/4 inch into solid wood decking or extend at least 1/8 inch through OSB or plywood sheathing. 1. Where nails are in contact with metal flashing, use nails made from same metal as flashing. 2.5 METAL FLASHING AND TRIM A. General: Comply with requirements in Section 07 62 00 "Sheet Metal Flashing and Trim." PART 3 - EXECUTION 3.1 EXAMINATION A. Examine substrates, areas, and conditions, with Installer present, for compliance with requirements for installation tolerances and other conditions affecting performance of the Work. 1. Examine roof sheathing to verify that sheathing joints are supported by framing and blocking or metal clips and that installation is within flatness tolerances. 2. Verify that substrate is sound, dry, smooth, clean, sloped for drainage, and completely anchored; and that provision has been made for flashings and penetrations through asphalt shingles. B. Prepare written report, endorsed by Installer, listing conditions detrimental to performance of the Work. THE KENT 07 31 13 - THE KENT Issue Date 05.09.18 FIBERGLASS-REINFORCED ASPHALT SHINGLES THE KENT C. Proceed with installation only after unsatisfactory conditions have been corrected. 3.2 UNDERLAYMENT INSTALLATION A. General: Comply with underlayment manufacturer's written installation instructions applicable to products and applications indicated unless more stringent requirements apply. B. Install synthetic underlayment in accordance with manufacturer’s written instructions for high (Above 4/12 pitch) and low (3/12 pitch) sloped roofs. C. Self-Adhering Sheet Ice & Water Shield: Install, wrinkle free, on roof deck. Comply with low- temperature installation restrictions of underlayment manufacturer if applicable. Install at locations indicated below and on Drawings, lapped in direction to shed water. Lap sides not less than 3-1/2 inches. Lap ends not less than 6 inches staggered 24 inches between courses. Roll laps with roller. Cover underlayment within seven days. 1. Prime concrete and masonry surfaces to receive self-adhering sheet underlayment. 2. Eaves: Extend from edges of eaves 24 inches beyond interior face of exterior wall. 3. Rakes: Extend from edges of rake 24 inches beyond interior face of exterior wall. 4. Valleys: Extend from lowest to highest point 18 inches on each side. 5. Hips: Extend 18 inches on each side. 6. Ridges: Extend 36 inches on each side without obstructing continuous ridge vent slot. 7. Sidewalls: Extend beyond sidewall 18 inches, and return vertically against sidewall not less than 4 inches. 8. Dormers, Chimneys, Skylights, and Other Roof-Penetrating Elements: Extend beyond penetrating element 18 inches, and return vertically against penetrating element not less than 4 inches. 9. Roof Slope Transitions: Extend 18 inches on each roof slope. D. Concealed Valley Lining: Comply with NRCA's recommendations. 3.3 METAL FLASHING INSTALLATION A. General: Install metal flashings and other sheet metal to comply with requirements in Section 07 62 00 "Sheet Metal Flashing and Trim." 1. Install metal flashings according to recommendations in ARMA's "Residential Asphalt Roofing Manual" and asphalt shingle recommendations in NRCA's "The NRCA Roofing and Waterproofing Manual." 3.4 ASPHALT SHINGLE INSTALLATION A. General: Install asphalt shingles according to manufacturer's written instructions, recommendations in ARMA's "Residential Asphalt Roofing Manual," asphalt shingle recommendations in NRCA's "The NRCA Roofing and Waterproofing Manual" and local building codes. B. Install starter strip along lowest roof edge, consisting of an asphalt shingle strip with tabs removed at least 7 inches wide with self-sealing strip face up at roof edge. 1. Extend asphalt shingles 1/2 inch over fasciae at eaves and rakes. 2. Install starter strip along rake edge. THE KENT 07 31 13 - THE KENT Issue Date 05.09.18 FIBERGLASS-REINFORCED ASPHALT SHINGLES THE KENT C. Install first and remaining courses of asphalt shingles stair-stepping diagonally across roof deck with manufacturer's recommended offset pattern at succeeding courses, maintaining uniform exposure. D. Fasten asphalt shingle strips with a minimum of six roofing nails located according to manufacturer's written instructions. 1. Where roof slope is less than 4:12, seal asphalt shingles with asphalt roofing cement spots. 2. When ambient temperature during installation is below 50 deg F, seal asphalt shingles with asphalt roofing cement spots. E. Open Valleys: Cut and fit asphalt shingles at open valleys, trimming upper concealed corners of shingle strips. Maintain uniform width of exposed open valley from highest to lowest point. 1. Set valley edge of asphalt shingles in a 3-inch- wide bed of asphalt roofing cement. 2. Do not nail asphalt shingles to metal open-valley flashings. F. Ridge Vents: Install continuous ridge vents over asphalt shingles according to manufacturer's written instructions. Fasten with roofing nails of sufficient length to penetrate sheathing. G. Ridge and Hip Cap Shingles: Maintain same exposure of cap shingles as roofing shingle exposure. Lap cap shingles at ridges to shed water away from direction of prevailing winds. Fasten with roofing nails of sufficient length to penetrate sheathing. 1. Fasten ridge cap asphalt shingles to cover ridge vent without obstructing airflow. 3.5 PROTECTION A. Protect installed products from foot traffic until completion of the project. B. Any roof areas that are not completed by the end of the workday are to be protected from moisture and contaminants. END OF SECTION 07 31 13