ARCAT, Inc.
SECTION 07 31 00SHINGLES Copyright 2013 - 2014 ARCAT, Inc. - All rights reserved** NOTE TO SPECIFIER ** Malarkey Roofing Products; commercial and residential roofing..This section is based on the products of Malarkey Roofing Products, which is located at:3131 N. Columbia Blvd. P. O. Box 17217 Portland, OR 97217Toll Free Tel: 800-545-1191Tel: 503-283-1191Fax: 503-289-7644Email: request info (joe.malarkey@)Web: [ Click Here ] for additional information.Since 1956, Malarkey Roofing Products has operated as a family owned, professionally managed, privately held company, headquartered in Portland, Oregon.At Malarkey Roofing, we believe in creating long-term value for our customers and business partners. Our commitment challenges us to find and improve the ways we manufacture products to support our customer's needs. Striving for excellence propels our company to new heights in polymerization and the development of long lasting products.Maintaining our commitment to dependable roofing products is the vital key to our future success. Malarkey Roofing Products is not satisfied to rest on our past accomplishments and accolades. Our goal is to make products that improve people's lives and balance environmental and economic interests.
GENERAL
SECTION INCLUDES
** NOTE TO SPECIFIER ** Delete types not required.
High profile laminated asphalt shingles.
Highlander-CS.
Highlander-CS Scotchgard? .
Legacy.
Legacy Scotchgard.
Northwest-XL.
Northwest-XL Scotchgard.
3-tab asphalt shingles.
Dura-Seal 20.
Dura-Seal 25 AR.
Dura-Seal 25.
The Alaskan.
Solar reflective asphalt shingles.
Ecoasis Premium Scotchgard.
Underlayment and accessories.
Vented nailbase insulated panels.
RELATED SECTIONS
** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
Section 02 41 13 - Selective Site Demolition.
Section 06 10 00 - Rough Carpentry.
Section 07 61 00 - Sheet Metal Roofing.
REFERENCES
** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.
American Society of Testing and Materials International (ASTM):
ASTM C 209 - Standard Test Methods for Cellulosic Fiber Insulating Board.
ASTM C 1289 - Standard Specification for Faced Rigid Cellular Polyisocyanurate Thermal Insulation Board.
ASTM D 226 - Standard Specification for Asphalt-Saturated Organic Felt Used in Roofing and Waterproofing.
ASTM D 1621 - Standard Test Method for Compressive Properties Of Rigid Cellular Plastics.
ASTM D 2126 - Standard Test Method for Response of Rigid Cellular Plastics to Thermal and Humid Aging.
ASTM D 3018 - Standard Specification for Class A Asphalt Shingles Surfaced with Mineral Granules.
ASTM D 3161 - Standard Test Method for Wind-Resistance of Asphalt Shingles (Fan-Induced Method).
ASTM D 3462 - Standard Specification for Asphalt Shingles Made from Glass Felt and Surfaced with Mineral Granules.
ASTM D 4586 - Standard Specification for Asphalt Roof Cement, Asbestos-Free.
ASTM E 84 - Standard Test Method for Surface Burning Characteristics of Building Materials.
ASTM D 7158 - Standard Test Method for Wind Resistance of Asphalt Shingles (Uplift Force/Uplift Resistance Method).
ASTM E 96 - Standard Test Methods for Water Vapor Transmission of Materials.
ASTM E 108 - Standard Test Methods for Fire Tests of Roof Coverings.
Intertek Testing Services (ITS) - Fire Resistance Directory, Current Edition.
Underwriters Laboratory (UL):
UL 790 - Standard Test Methods for Fire Tests of Roof Coverings.
UL 2218 - Impact Resistance of Prepared Roof Covering Materials.
SUBMITTALS
Submit under provisions of Section 01 30 00 - Administrative Requirements.
Product Data: Manufacturer's data sheets on each product to be used, including:
Preparation instructions and recommendations.
Storage and handling requirements and recommendations.
Installation methods.
** NOTE TO SPECIFIER ** Delete selection samples if colors have already been selected.
Samples for Selection: For the following products, of sizes indicated: For each product specified, two complete sets of color samples representing manufacturer's full range of available colors and patterns.
Asphalt shingles: Full size.
SBS Modified Fiberglass Ridge and Hip Cap Shingles: Full size.
Synthetic Underlayment: 12 inches (305 mm) square.
SBS Modified Self-Adhering Fiberglass Reinforced Underlayment: 12 inches (305 mm) square.
Nail used for fastening shingles: 5 of each nail type and size.
Vented Nailbase: 12 inches (305 mm) square.
Samples for Verification: For the following products, of sizes indicated: For each product specified, two samples representing actual product, color, and patterns.
Asphalt shingles: Full size.
SBS Modified Fiberglass Ridge and Hip Cap Shingles: Full size.
SBS Starter Shingles: Full size.
Synthetic Underlayment: 12 inches (305 mm) square.
SBS Modified Self-Adhering Fiberglass Reinforced Underlayment: 12 inches (305 mm) square.
Nail Used for Fastening Shingles: 5 of each nail type and size.
Vented Nailbase: 12 inches (305 mm) square.
QUALITY ASSURANCE
Primary Roofing Materials Manufacturer Requirements:
Manufacture specified asphalt shingles for a minimum of ten years.
Manufacturer shall be an associate member in good standing of either the National Roofing Contractor's Association (NRCA), Western States Roofing Contractors Association (WSRCA) or the Midwest Roofing Contractors Association (MRCA).
Installer Qualifications: Approved by the manufacturer to install the specified products and provide the specified warranties.
Source Limitations: Obtain ridge and hip cap shingles, starter, synthetic and self-adhering sheet underlayment, insulation and vented nailbase from single source, from single manufacturer.
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.
Exterior Fire-Test Exposure: Class A; ASTM E 108 or UL 790, for application and roof slopes indicated.
** NOTE TO SPECIFIER ** Delete if not required.
Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship.
Finish areas designated by Architect.
Do not proceed with remaining work until workmanship, color, and sheen are approved by Architect.
Refinish mock-up area as required to produce acceptable work.
DELIVERY, STORAGE, AND HANDLING
Store products in manufacturer's unopened packaging until ready for installation.
Store and dispose of solvent-based materials, and materials used with solvent-based materials, in accordance with requirements of local authorities having jurisdiction.
PROJECT CONDITIONS
Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's absolute limits.
PROJECT MEETINGS
Pre-Construction Meeting:
Prior to the start of the roofing project, the Owner will hold a job-site meeting and roof tour to review the scope of work.
Authorized representatives of the Owner, the Roofing Contractor (Project Superintendent), the asphalt shingle manufacturer, other Subcontractors whose work complements, penetrates, or is mounted on the roof or will use the roof as a work platform, will be in attendance.
The agenda for the meeting shall include:
A review of the submittals.
Distribution of approved submittals.
A walkover inspection of the roof.
Establishment of a schedule for the work.
Selection of staging and storage locations.
Final Inspection: Following the completion of the Work, a Final Inspection shall be scheduled by Owner's Representative. Any uncompleted work shall be noted on a Punch List. Final Payment shall be made only after Punch List is completed.
WARRANTY
Standard Warranty: Shingles subjected to terms and conditions of the standard Manufacturer's Limited Warranty. Wind warranty coverage is subject to the shingles being sealed.
** NOTE TO SPECIFIER ** Delete warranty lengths not required.
Warranty Length: 20 years
Warranty Length: 25 years.
Warranty Length: 30 years.
Warranty Length: 35 years.
Warranty Length: 40 years.
Warranty Length: 50 years.
** NOTE TO SPECIFIER ** Delete wind speeds not required.
Limited Term Resistance to Wind: 60 mph (97 kph).
Limited Term Resistance to Wind: 70 mph (113 kph).
Limited Term Resistance to Wind: 80 mph (129 kph).
Limited Term Resistance to Wind: 100 mph (161 kph).
Limited Term Resistance to Wind: 110 mph (177 kph).
Limited Term Resistance to Wind: 120 mph (193 kph).
Limited Term Resistance to Wind: 130 mph (209 kph).
** NOTE TO SPECIFIER ** Delete if not required.
Algae Resistance (AR): The warranty shall include 3M Scotchgard Algae Resistance to discoloration from algae growth for a period of 20 years from the date of substantial completion.
** NOTE TO SPECIFIER ** Delete if no SBS shingles or if not required.
Special Warranty for SBS Shingles: Manufacturer's standard or customized form, without monetary limitation (NDL), in which manufacturer agrees to repair or replace components of asphalt shingle roofing system that fail in materials or workmanship within specified warranty period.
Special warranty shall include asphalt shingles, flashings, roof insulation, nail base, and other components of roofing system.
** NOTE TO SPECIFIER ** Delete warranty lengths not required.
Warranty Length: 5 years from date of Substantial Completion.
Warranty Length: 10 years from date of Substantial Completion.
Warranty Length: 15 years from date of Substantial Completion.
Upon project completion and acceptance by Owner, the Roofing Contractor shall promptly provide executed copies of the specified warranties.
Furnish a list containing the names and contact telephone numbers of the Roofing Contractor's Service Manager, Superintendent, and Project Manager and the Roofing Contractor's current mailing address.
PRODUCTS
MANUFACTURERS
Acceptable Manufacturer: Malarkey Roofing Products, which is located at: 3131 N. Columbia Blvd. P. O. Box 17217 ; Portland, OR 97217; Toll Free Tel: 800-545-1191; Tel: 503-283-1191; Fax: 503-289-7644; Email: request info (joe.malarkey@); Web:
** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.
Substitutions: Not permitted.
Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.
** NOTE TO SPECIFIER ** Delete if not required.
SHINGLES
** NOTE TO SPECIFIER ** Delete if not required.
High Profile Laminate Shingles:
** NOTE TO SPECIFIER ** Delete shingle not required.
Highlander-CS (271) as manufactured by Malarkey Roofing Products.
The Malarkey Highlander-CS shingles hold a Class ' A' Fire Rating.
As manufactured, Highlander-CS meets the requirements of:
ASTM D7158 Class H, ASTM D3462, ASTM D3161 Class F, ASTM D3018 Type I, ASTM E108 Class A, and CSA A123.5.
ICC Approval - ESR 3150.
FBC Approval - #14809.
Performance:
30 Year Limited Material Warranty.
70 mph (113 kph) Limited Wind Warranty.
110 mph (177 kph) Enhanced Wind Warranty Available.
Your Choice Warranty Program.
10 years Right Start Warranty.
Highlander-CS Scotchgard (277) as manufactured by Malarkey Roofing Products.
The Malarkey Highlander-CS Scotchgard shingles hold a Class ' A' Fire Rating.
As manufactured, Highlander-CS Scotchgard meets the requirements of:
ASTM D7158 Class H, ASTM D3462, ASTM D3161 Class F, ASTM D3018 Type I, ASTM E108 Class A, and CSA A123.5.
ICC Approval - ESR 3150.
FBC Approval - #14809.
Performance:
30 Year Limited Material Warranty.
70 mph (113 kph) Limited Wind Warranty.
110 mph (177 kph) Enhanced Wind Warranty Available.
Highlander-CS Scotchgard; 20 year Scotchgard Algae Resistance Warranty.
Your Choice Warranty Program.
10 years Right Start Warranty.
Legacy (272) as manufactured by Malarkey Roofing Products.
The Malarkey Legacy shingles hold a Class ' A' Fire Rating.
As manufactured, Legacy meets the requirements of:
ASTM D3018 Type 1; ASTM D3161 Class F; ASTM D3462; ASTM D7158 Class H; ASTM E108 Class A; UL 2218 Class 4 Impact Resistance; CSA A123.5.
ICC Approval - ESR 3150.
FBC Approval - #14809.
Performance:
50 Year Limited Material Warranty.
110 mph (177 kph) Limited Wind Warranty.
130 mph (209 kph) Enhanced Wind Warranty Available.
Your Choice Warranty Program.
12 year Right Start Warranty.
Legacy Scotchgard (273) as manufactured by Malarkey Roofing Products.
The Malarkey Legacy Scotchgard shingles hold a Class ' A' Fire Rating.
As manufactured, Legacy meets the requirements of:
ASTM D3018 Type 1; ASTM D3161 Class F; ASTM D3462; ASTM D7158 Class H; ASTM E108 Class A; UL 2218 Class 4 Impact Resistance; CSA A123.5.
ICC Approval - ESR 3150.
FBC Approval - #14809.
Performance:
50 Year Limited Material Warranty.
110 mph (177 kph) Limited Wind Warranty.
130 mph (209 kph) Enhanced Wind Warranty Available.
Legacy 20 years Scotchgard Algae Resistance Warranty.
Your Choice Warranty Program.
12 year Right Start Warranty.
** NOTE TO SPECIFIER ** Delete if not required.
Northwest XL (270) as manufactured by Malarkey Roofing Products.
As manufactured, Northwest XL meets the requirements of:
ASTM D3018 Type I, ASTM D3161 Class F, ASTM D3462, ASTM D7158 Class H, ASTM E108 Class A, and CSA A123.5.
ICC Approval - ESR 3150.
FBC Approval - #14809.
Performance:
40 Year Limited Material Warranty.
80 mph (129 kph) Limited Wind Warranty.
110 mph (177 kph) Enhanced Wind Warranty Available.
Your Choice Warranty Program.
10 year Right Start Warranty.
** NOTE TO SPECIFIER ** Delete if not required.
Northwest XL Scotchgard (269) as manufactured by Malarkey Roofing Products.
As manufactured, Northwest XL Scotchgard meets the requirements of:
ASTM D3018 Type I, ASTM D3161 Class F, ASTM D3462, ASTM D7158 Class H, ASTM E108 Class A, and CSA A123.5.
ICC Approval - ESR 3150.
FBC Approval - #14809.
Performance:
40 Year Limited Material Warranty.
80 mph (129 kph) Limited Wind Warranty.
110 mph (177 kph) Enhanced Wind Warranty Available.
Northwest XL Scotchgard 20 years Scotchgard Algae Resistance Warranty.
Your Choice Warranty Program.
10 year Right Start Warranty.
** NOTE TO SPECIFIER ** Delete if not required.
Traditional 3-Tab Shingles:
** NOTE TO SPECIFIER ** Delete if not required.
Dura-Seal 20 as manufactured by Malarkey Roofing Products.
As manufactured, Dura-Seal 20 meets the requirements of:
ASTM D3018 Type I, ASTM D7158 Class H, ASTM E108 Class A, and CSA A123.5.
Listed with UL and CRRC.
Performance:
20 Year Limited Material Warranty.
60 mph (97 kph) Limited Wind Warranty.
3 Year Right Start Warranty.
Dura-Seal; 20 Dove White is CRRC Listed & Title 24 Compliant.
3M Colorfast Granules.
** NOTE TO SPECIFIER ** Delete if not required.
Dura-Seal 25 as manufactured by Malarkey Roofing Products.
As manufactured, DuraSeal 25 meets the requirements of:
ASTM D3018 Type I, ASTM D7158 Class H, ASTM E108 Class A, ASTM D3161 Class D, and CSA A123.5.
FBC Approval #14809.
Performance:
25 Year Limited Material Warranty.
60 mph (97 kph) Limited Wind Warranty.
3 year Right Start Warranty.
3M Colorfast Granules.
Three-Tab Shingle Alaskan Scotchgard (230) as manufactured by Malarkey Roofing Products.
The Alaskan Scotchgard shingles hold a Class ' A' Fire Rating.
As manufactured, Dura-Seal Alaskan meets the requirements of:
ASTM D3018 Type 1; ASTM D3161 Class F; ASTM D3462; ASTM D7158 Class H; ASTM E108 Class A; UL 2218 Class 4 Impact Resistance; CSA A123.5.
ICC Approval - ESR 3150.
FBC Approval - #14809
Performance:
35 Year Limited Material Warranty.
100 mph (161 kph) Limited Wind Warranty.
120 mph (193 kph) Enhanced Wind Warranty Available.
The Alaskan 20 years Scotchgard Algae Resistance Warranty.
Your Choice Warranty Program.
10year Right Start Warranty.
Solar Reflective Asphalt Shingles:
Solar Reflective Shingle, Ecoasis Premium as manufactured by Malarkey Roofing Products.
The Malarkey Ecoasis Premium shingles hold a Class ' A' Fire Rating.
As manufactured, Ecoasis Premium AB meets:
UL 2218 Class 4 Impact Resistance.
ASTM D3018 Type I, ASTM D3161 Class F, ASTM D3462, ASTM D7158 Class H, ASTM E108 Class A, and CSA A123.5.
Listed with Intertek/WHI and CRRC.
ICC Approval - ESR 3150.
FBC Approval - #14809.
Performance:
50 Year Limited Material Warranty.
110 mph (177 kph) Limited Wind Warranty.
130 mph (209 kph) Enhanced Wind Warranty Available.
Ecoasis Premium 20 years Scotchgard Algae Resistance Warranty.
Your Choice Warranty Program.
12 year Right Start Warranty.
Color: Color shall be selected from the manufacturer's standard colors.
SBS MODIFIED UNDERLAYMENT
** NOTE TO SPECIFIER ** Delete if not required.
Self-Adhering Underlayment:
Product: Malarkey 401 Arctic Seal.
Arctic Seal 401, as manufactured, meets the requirements of ASTM D1970.
Self-adhering sheet shall be a minimum of 60 mils (1.5 mm) thick.
Self-adhering sheet shall be 39 inches (1 meter) in width.
** NOTE TO SPECIFIER ** Delete if not required.
SBS Modified Fiberglass Underlayment:
Product: Malarkey Right Start Underlayment.
ASTM D 4601 Type II Approximate Weight 36 pounds per square.
Self-adhering sheet shall be 39 inches (1 meter) in width.
** NOTE TO SPECIFIER ** Delete if not required.
Synthetic Underlayment:
Product: Malarkey SecureStart Synthetic Underlayment 1030.
ASTM D 226 Type I & II Approximate Weight 2.7 pounds (1.2 Kg) per square.
CSA 123.3 Type 1 & 2.
VENTED NAILBASE INSULATED PANELS
Approved Manufacturers:
Product: Hunter Panel - Hunter Cool Vent.
Product: RMAX Insulation - RMAX Multi-Vent.
Insulation Value:
Vented Nailbase Panel Thickness: __________.
Vented Nailbase Panel R-Value: __________.
Flat Stock Insulation Thickness: __________.
Flat Stock Insulation R-Value: __________.
Physical properties (Foam Core):
Compressive Strength: ASTM D 1621 and ASTM C 1289, Type II, 20 psi (138 kPa) minimum Grade 2.
Dimensional Stability: ASTM D 2126, 2 percent linear change (7 days).
Moisture Vapor Transmission: ASTM E 96, < 1 perm (57.5ng/(Pasm2)).
Water Absorption: ASTM C 209, < 1 percent by volume.
Flame Spread (foam core): ASTM E 84, < 450.
Service Temperature: -100 degrees to 250 degrees F (-73 degrees C to 122 degrees C).
Panel Construction and Fasteners:
Top layer of APA CDX Plywood,
Thickness: ________.
Middle layer of vented air space with wood spacers and a bottom layer of black fiber reinforced faced polyisocyanurate foam insulation.
Vented Air Space and Spacer Thickness: ________.
Fasteners shall have a 3/16 inch (5 mm) shank, and corrosion resistant type with oversized heads. Length of fasteners shall be as recommended by the panel manufacturer. Fasteners shall be equal to the panel depth plus a minimum of 1 inch (25.4 mm) penetration into the structural substrate.
RELATED PRODUCTS
** NOTE TO SPECIFIER ** Delete if not required.
SBS Modified 8" High Profile Hip and Ridge Malarkey # 222.
SBS Modified Scotchgard 10" High Profile Hip and Ridge Malarkey # 224.
SBS Modified Scotchgard Hip and Ridge Strips Malarkey # 225.
SBS Modified Scotchgard 12" Hip and Ridge Strips Malarkey # 227.
Full Width Perforated Starter Shingle Malarkey Smart Start # 220.
Plastic Roof Cement conforming to ASTM D 4586.
Fasteners: Hot Dip Galvanized Ring shank nails with minimum 3/8 inch (9.5 mm) head.
EXECUTION
DELIVERY, STORAGE, AND HANDLING
New and dry roof materials delivered to the job site in containers unopened and undamaged. Manufacturer's products stamped with labels, names and run codes of manufacture and testing laboratory.
Store underlayment materials on ends only. Discard rolls which may have been flattened, creased, or otherwise damaged. Place materials on pallets or wood sleepers. Do not stack palletized materials.
Cover underlayment rolls with weatherproof materials secured to prevent materials from becoming exposed to moisture. Use breathable tarps.
Disperse materials stored on the roof surface to avoid concentrated loading. Set larger concentrations over structural members.
ENVIRONMENTAL REQUIREMENTS
Application of roofing materials shall not be performed when weather conditions interfere with good roofing practices.
VENTED NAILBASE AND BASE INSULATION
Install base insulation and vented nailbase so the joint of the base insulation and the joints of the nailbase are offset.
Fastener placement and spacing shall be in accordance with the recommendations of the insulation panel manufacturer.
UNDERLAYMENT AND EDGING
Apply specified underlayment laid parallel to eaves, lapping as follows:
** NOTE TO SPECIFIER ** Delete type not required.
Self-adhering underlayment along all eaves and rakes extending to a point beyond the interior surface of exterior walls not less than 24 inches.
Slopes of 4 units in 12 units or greater Apply SBS modified fiberglass underlayment laid parallel to eaves, lapping to the four inch ply line, and six (6) inches on ends, lapping over self-adhered underlayment a minimum of 6 inches.
Slopes of less than 4 units in 12 units, apply self-adhering underlayment of the entire roof surface.
Slopes of less than 4 units in 12 units, apply two layers of specified underlayment installed shingle fashion with 50% side laps and 6" end laps staggered 24".
Valleys: Only those valley installations listed in the manufacturer's installation recommendations shall be permitted.
One additional layer of self-adhering underlayment shall be applied in all valleys, regardless of the valley method used.
The field underlayment shall be applied through the valley over the additional layer of self-adhering underlayment from both slopes forming the valley.
Pipe Flashing: Apply a cant of roofing cement around the pipe, sealing it to the underlayment prior to installing the metal pipe flashing. Install and secure the metal jack so that the bottom flange laps over onto the shingles. Side and top flanges shall have shingles lapping onto the flange. Shingles that lap onto metal shall be laid into a bed of roof cement. A bead of urethane sealant shall be applied where the pipe penetrates the cone of the jack.
Metal edging: Minimum 24 gauge (0.70 mm) rigid, pre-finished metal with no rise. Install the edging onto the underlayment along the rake edges and below the underlayment along the eave edges, secured by galvanized roofing nails four inches (102 mm) O/C. Metal edge with a 1/2 inch (13.4 mm) the underlayment overhanging drip built into the face is acceptable.
APPLICATION OF SHINGLES
Application; 5-5/8 inches (143 mm) Offset- Diagonal Pattern:
Starter courses; Use only the approved starter strip.
Cut six inches (152 mm) off the length of the starter strip and apply at the corner roof. The starter course shall overhang the edge metal 1/4 to 3/8 inch (6 mm to 9.5 mm). Nail starter within four inches (102 mm) of the edge of the roof with the same number of nails specified for the field shingles.
Continue starter course across the roof with a full length shingle with the tabs cut off.
First course: Start with a full shingle applied onto and flush with the starter course at the lower left hand corner of the roof and secure with fasteners.
Second course: Cut 5-5/8 inches (143 mm) in from the left end of a shingle and apply the remaining 34-3/8 inches (873 mm) section over the first course shingle, exposing the first course 5-5/8 inches (143 mm). Butt bottom edge of shingle should be applied to the top of saw tooth of underlying shingle so that there will be 5-5/8 inches (143 mm) of each shingle exposed, secure with fasteners.
Third courses: Cut 11-1/4 inches (285.75 mm) from the left end of shingle and apply the remaining 28-3/4 inches (730 mm) section over the second course shingle, exposing the second course 5-5/8 inches (143 mm), secure with fasteners.
Succeeding Courses: Courses four through seven are begun with a partial 5-5/8 inches (143 mm) shingle shorter progressively, establishing the overall diagonal method or stair step effect. (Pieces cut from shingle along the left rake, can be used to finish off courses at the right rake.)
Now apply a full shingle to the seven courses to extend the pattern starting with the first course. Courses eight through fourteen repeat the process beginning with a full shingle and continue succeeding courses with a partial 5-5/8 inches (143 mm) shingle shorter each time. Succeeding courses also repeat this procedure beginning with a full shingle. Strike a chalk line about every six courses to ensure straight courses. Shingles may be laid either left or right hand side. Start at either rake edge and follow layout and cutting instructions as required for proper application. Fill-in pieces less than three inches (76 mm) in width are not acceptable at rake edges.
Valley Installation:
Closed-cut Valleys: apply shingles on one entire face, carrying each course up through the valley and onto the adjoining face a minimum twelve inches (305 mm). Secure each shingle no closer than six inches (152 mm) in from the center of the valley.
Open Valleys: shall use corrosion resistant rigid sheet metal valley material, a minimum of twenty four inches (610 mm) wide, pressed tight into the valley and secured twelve inches (305 mm) O/C along both edges. As shingles are applied, trim neatly approximately two inches (51 mm) back from center of valley.
"Bleeder" or "Point" valleys are not acceptable.
FASTENERS
Nailing Pattern: Nails must be placed within the nailing zone, 1 inch (25 mm) in from each edge of the shingle, with the remaining four nails evenly spaced on the same line as the end nails. When fastening, butt shingle ends loosely to prevent buckling. Fasteners shall not be overdriven to cut into the shingle or under driven. Fasteners shall be seated flush to shingle as illustrated on shingle wrapper.
** NOTE TO SPECIFIER ** Delete fastener quantity not required.
Fasteners per Shingle: Four.
Fasteners per Shingle: Six.
END OF SECTION ................
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