07 31 13 - asphalt shingles.pdf

07 31 13 – ASPHALT SHINGLES

Herbert, Rowland & Grubic, Inc. 07 31 13 - 1 000483.0450

SECTION 07 31 13 – ASPHALT SHINGLES

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Asphalt shingles.

2. Ice dam membrane.

3. Underlayment.

4. Ridge vents.

B. Related Requirements:

1. Section 03 30 00 – Cast-In-Place Concrete: Flashing reglets placed at vertical surfaces of concrete.

2. Section 04 20 00 – Unit Masonry: Flashing reglets placed at vertical surfaces of masonry.

3. Section 06 10 00 – Rough Carpentry: Roof sheathing and framed openings.

4. Section 07 21 13 – Board Insulation: Nailable rigid insulation.

5. Section 07 26 00 – Vapor Retarders: Continuation of wall vapor retarder.

6. Section 07 62 00 – Sheet Metal Flashing and Trim: Edge and cap flashings.

7. Section 07 71 23 – Manufactured Gutters and Downspouts: Shop- or Site-fabricated metal or plastic rainwater gutters.

8. Section 08 62 13 – Tubular Daylighting Devices.

1.2 REFERENCE STANDARDS

1. ASTM A653 - Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or

Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process.

2. ASTM A755 - Standard Specification for Steel Sheet, Metallic Coated by the Hot-

Dip Process and Prepainted by the Coil-Coating Process for Exterior Exposed Building Products.

3. ASTM B209 - Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate.

4. ASTM B370 - Standard Specification for Copper Sheet and Strip for Building Construction.

5. ASTM C1371 - Standard Test Method for Determination of Emittance of Materials Near Room Temperature Using Portable Emissometers.

6. ASTM C1549 - Standard Test Method for Determination of Solar Reflectance Near Ambient Temperature Using a Portable Solar Reflectometer.

7. ASTM D226 - Standard Specification for Asphalt-Saturated Organic Felt Used in Roofing and Waterproofing.

8. ASTM D1970 - Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection.

9. ASTM D3161 - Standard Test Method for Wind-Resistance of Asphalt Shingles (Fan-Induced Method).

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10. ASTM D3462 - Standard Specification for Asphalt Shingles Made from Glass Felt and Surfaced with Mineral Granules.

11. ASTM D3909 - Standard Specification for Asphalt Roll Roofing (Glass Felt) Surfaced With Mineral Granules.

12. ASTM D4586 - Standard Specification for Asphalt Roof Cement, Asbestos-Free.

13. ASTM D7158 -- Standard Test Method for Wind Resistance of Asphalt Shingles

(Uplift Force/Uplift Resistance Method).

14. ASTM E408 - Standard Test Methods for Total Normal Emittance of Surfaces Using

Inspection-Meter Techniques.

15. ASTM E1918 - Standard Test Method for Measuring Solar Reflectance of

Horizontal and Low-Sloped Surfaces in the Field.

16. ASTM E1980 - Standard Practice for Calculating Solar Reflectance Index of

Horizontal and Low-Sloped Opaque Surfaces.

17. ASTM F1667 - Standard Specification for Driven Fasteners: Nails, Spikes, and

Staples.

B. National Roofing Contractors Association:

1. NRCA - The NRCA Roofing Manual: Steep-slope Roof Systems.

C. U.S. Environmental Protection Agency:

1. ENERGY STAR - ENERGY STAR Voluntary Labeling Program.

1.3 COORDINATION

A. Section 01 31 13 – Project Coordination: requirements for coordination.

B. Coordinate Work of this Section with products and materials that penetrate roof surfaces, overlap flashing systems specified herein.

1.4 SUBMITTALS

A. Section 01 33 00 – Submittal Procedures: Requirements for submittals.

B. Product Data: Submit data for shingles, underlayments, ice dam membranes, gutters and downspouts, prefinished flashing materials.

C. Shop Drawings: Indicate metal flashings, jointing methods and locations, fastening methods and locations, and installation details.

D. Samples: Submit manufacturer's sample board for each shingle color, indicating full color range and finish texture/pattern for color and texture selection.

E. Manufacturer's Instructions: Submit installation criteria and procedures.

1.5 MAINTENANCE MATERIAL SUBMITTALS

A. Section 01 73 00 – Execution Requirements specifies requirements for maintenance materials.

B. Extra Stock Materials:

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1. Furnish 20 sq. ft. of extra shingles of each color selected.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Section 01 61 00 – Product Requirements specifies requirements for transporting, handling, storing, and protecting products.

B. Deliver materials in manufacturer's unopened packaging. Do not deliver until roof deck is prepared for installation.

C. Store materials on roof deck and evenly distribute weight of bundles.

1.7 AMBIENT CONDITIONS

A. Section 01 50 00 – Temporary Facilities and Controls: Requirements for ambient-condition control facilities for product storage and installation.

B. Do not install ice dam membrane and shingles when surface temperatures are below 45 degrees F, unless approved by the manufacturer.

1.8 WARRANTY

A. Section 01 78 36 – Warranty Requirements: Requirements for warranties.

B. Furnish 25-year (minimum) manufacturer's warranty for asphalt shingles.

C. Warranty Transferability Clause: Make available to Owner shingle manufacturer's standard option for transferring warranty to a new owner.

PART 2 - PRODUCTS

2.1 ASPHALT SHINGLES

A. Manufacturers:

1. CertainTeed

2. GAF

3. Owens Corning

4. Tamko Building Products.

5. Substitutions: Section 01 61 00 – Product Requirements.

B. Description: ASTM D3462; UL 790 Class A; Type I, self-sealing; glass-fiber mat base, mineral-granule-surface type; 240 lb./100 sq. ft. weight; 5-inch exposure, architectural type; color and texture as selected by Owner.

2.2 RIDGE,VENTS

A. Ridge Vents: Continuous-style louver, plastic, shingle-over type, nominal 12 inches wide with vent openings that do not permit direct water or weather entry; to receive cap shingles;

minimum 12-sq. in./ft. net free area.

Herbert, Rowland & Grubic, Inc. 07 31 13 - 4 000483.0450

B. Starter and End Caps: As required to suit application.

2.3 MATERIALS

A. Ice Dam Membrane: ASTM D1970; self-adhering, polymer-modified bituminous sheet material, smooth or granular surface, 40 mil (minimum) thick, 36 inches wide, with strippable release paper to expose adhesive surface.

B. Underlayment: ASTM D226; Type II, No. 30 unperforated asphalt felt or synthetic underlayment approved by shingle manufacturer.

2.4 FABRICATION

A. Form flashings to protect roofing materials from physical damage and shed water.

B. Form eave edge and gable edge flashing to extend minimum 2 inches onto roof and minimum 1/4 inch below sheathing.

C. Form flashing sections square and accurate to profile, in maximum possible lengths, free from distortion or defects detrimental to appearance or performance.

D. Hem exposed edges of flashings minimum 1/4 inch on underside.

E. Apply bituminous paint on concealed surfaces of flashings.

2.5 ACCESSORIES

A. Nails: According to ASTM F1667; standard round-wire roofing nails, hot-dip-galvanized-steel type; minimum 0.105-inch-diameter shank, minimum 0.375-inch-diameter head; of sufficient length to penetrate through plywood roof sheathing.

B. Plastic Cement: Asphalt type with mineral fiber components, free of toxic solvents, capable of setting within 24 hours at a temperature of 75 degrees F and 50 percent RH.

C. Lap Cement: Fibrated, cutback-asphalt type; recommended for use in application of underlayment; free of toxic solvents.

D. Flashing Materials:

1. Sheet Flashings: As specified in Section 07 62 00 – Sheet Metal Flashing and Trim.

E. Bituminous Paint: Acid- and alkali-resistant type; black color.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Section 01 73 00 – Execution Requirements: Requirements for installation examination.

B. Verify that roof penetrations and plumbing stacks are in place and flashed to deck surface.

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C. Verify that roof openings are correctly framed.

D. Verify that deck surfaces are dry and free of ridges, warps, or voids.

3.2 PREPARATION

A. Section 01 73 00 – Execution Requirements: Requirements for installation preparation.

B. Fill knot holes and surface cracks with latex filler at areas of bonded ice dam membrane.

C. Broom-clean deck surfaces under ice dam membrane.

3.3 INSTALLATION

A. Ice Dam Membrane Installation:

1. Place eave edge and gable edge metal flashings tight with facia boards. Weather-lap joints minimum 2 inches and seal with plastic cement. Secure flange with nails at maximum 12 inches o.c.

2. Install ice dam membrane parallel with eave edge, flush with face of eave edge flashing with edges lapped 3 inches shingle-style and ends lapped 6 inches and staggered between rows.

3. Extend ice dam membrane minimum 2 feet up slope beyond interior face of exterior wall.

B. Underlayment Installation:

1. Place one ply of underlayment over substrate not covered by ice dam membrane, with ends and edges weather lapped 2 inches. Stagger end laps of each consecutive layer. Weather-lap ice dam membrane minimum 2 inches. Nail underlayment in place.

C. Roof Penetrations:

1. Place ice dam membrane sheet, 36 inches wide, at joint of roof plane and vertical surfaces, including skylights, vents. Extend vertically to top of curb or minimum 8 inches above level of roof. Weather-lap edge joints minimum 3 inches and lap end joints minimum 6 inches.

D. Flashing Installation.

1. Weather-lap joints minimum 2 inches and seal weathertight with plastic cement.

2. Secure in place with nails. Conceal fastenings.

3. Flash and seal Work weathertight, projecting through or mounted on roofing with plastic cement.

E. Asphalt Shingles Installation:

1. Install shingles according to manufacturer's instructions, using no less than minimum number of fasteners per shingle than required for wind-load rating.

2. Place shingles in straight coursing pattern with 5-inch weather exposure to produce double thickness over full roof area.

3. Project starter course and first course of shingles 3/4 inch beyond eave flashing and fascia boards.

Herbert, Rowland & Grubic, Inc. 07 31 13 - 6 000483.0450

4. Extend shingles 1/2 inch beyond face of gable edge flashing and fascia boards.

5. Cap ridges with individual shingles, maintaining 5-inch weather exposure. Place to avoid exposed nails.

6. Install ridge vents centered over ridge. Coordinate required ridge opening with

Section 07 62 00 – Sheet Metal Flashing and Trim for required free area vent to attic space.

7. Install roof vents according to manufacturer's instructions.

8. Coordinate installation of roof-mounted components or items projecting through roof with weathertight placement of ice dam membrane and counterflashings.

9. Complete installation to provide weathertight service.

3.4 FIELD QUALITY CONTROL

A. Section 01 40 00 – Quality Requirements: Requirements for inspecting and testing.

B. Before Substantial Completion, inspect roof to verify shingles self-sealed from exposure to prevent wind uplift. Apply plastic cement to secure shingles that failed to seal. Report results of inspection and required corrective measures.

3.5 PROTECTION

A. Section 01 73 00 – Execution Requirements: Requirements for protecting finished Work.

B. Do not permit traffic over finished roof surfaces.

END OF SECTION 07 31 13