SECTION 07 52 16

PREMIUM SBS MODIFIED BITUMEN ROOFING

FIRESTONE BUILDING PRODUCTS, LLC

This specification is provided as a courtesy on an as-is basis, and is not intended to substitute for specific design services provided by an architect, engineer, roof consultant, or other design professional. It is in the building owner’s interest to consult with these professionals prior to executing the specified project. The building owner will ultimately assume the entire risk as to results, quality and performance of the roofing system specified.

EDITOR NOTE: Text underlined and/or red in color must be addressed to complete a final specification document. It is the sole responsibility of the editor to exercise appropriate care and sound professional judgment in the execution of this task.

PART 1 GENERAL

The project, Project Name located in City, ST, includes the provision of a complete Firestone Building Products Premium SBS Modified Bitumen Membrane Roofing.

1.01 SUMMARY

A.  Furnish and install an asphaltic membrane roofing system meeting the roofing manufacturer's requirements for the specified warranty, including:

1.  Preparation of roofing substrates.

2.  Wood nailers for roofing attachment.

3.  Vapor barrier (optional)

4.  Insulation.

5.  SBS Modified Bitumen membrane roofing.

6.  Metal roof edging and copings.

7.  Flashings.

8.  Walkway pads.

9.  Other roofing-related items specified or indicated on the drawings or otherwise necessary to provide a complete weatherproof roofing system.

B. Disposal of demolition debris and construction waste is the responsibility of Contractor. Perform disposal in manner complying with all applicable federal, state, and local regulations.

C. Comply with the published recommendations and instructions of the roofing membrane manufacturer. Refer to technical information found at www.firestonebpco.com .

D. Commencement of work by Contractor shall constitute acknowledgement by Contractor that this specification can be satisfactorily executed, under the project conditions and with all necessary prerequisites for warranty acceptance by roofing membrane manufacturer. No modification of the Contract Sum will be made for failure to adequately examine the Contract Documents or the project conditions.

1.02 RELATED SECTIONS [as present or needed]

A.  Section 06 10 00 - Rough Carpentry: Wood nailers associated with roofing and roof insulation.

B.  Section 07 33 64 - SKYSCAPE™ Vegetative Tray Roof System

C.  Section 07 62 00 - Sheet Metal Flashing and Trim: Formed metal flashing and trim items associated with roofing.

D.  Section 07 71 00 - Roof Specialties: Manufactured copings, fascias, gravel stops, and other flashing-related items.

E.  Section 07 72 00 - Roof Accessories: Roof hatches, vents, and manufactured curbs.

F.  Section 08 62 00 - SUNWAVE™ Unit Skylights.

G.  Section 22 10 06 - Plumbing Specialties: Roof drains

1.03 DEFINITIONS

A. Roofing Terminology: Refer to ASTM D1079 for definition of terms related to roofing work not otherwise defined in the section.

B. LTTR: Long Term Thermal Resistance, as defined by ASTM1289-13ei.

1.04 REFERENCE STANDARDS

A.  Referenced Standards: These standards form part of this specification only to the extent they are referenced as specification requirements.

1.  ASTM C177 - Standard Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus; 2010.

2.  ASTM C208 - Standard Specification for Cellulosic Fiber Insulating Board; 2012.

3.  ASTM C209 - Standard Test Methods for Cellulosic Fiber Insulating Board; 2012.

4.  ASTM C518 - Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus; 2010.

5.  ASTM C1289 - Standard Specification for Faced Rigid Cellular Polyisocyanurate Thermal Insulation Board; 2013.

6.  ASTM D1079 - Standard Terminology Relating to Roofing, Waterproofing, and Bituminous Materials; 2013.

7.  ASTM D1621 - Standard Test Method for Compressive Properties Of Rigid Cellular Plastics; 2010.

8.  ASTM D1622 - Standard Test Method for Apparent Density of Rigid Cellular Plastics; 2008.

9.  ASTM D3273 - Standard Test Method for Resistance to Growth of Mold on the Surface of Interior Coatings in an Environmental Chamber; 2012.

10.  ASTM D6163 – Standard Specification for Styrene Butadiene Styrene (SBS) Modified Bituminous Sheet Materials using Glass Fiber Reinforcements

11.  ASTM D6164 – Standard Specification for Styrene Butadiene Styrene (SBS) Modified Bituminous Sheet Materials using Polyester Reinforcements

12.  FM DS 1-28 - Wind Design; Factory Mutual System; 2007.

13.  FM DS 1-29 - Roof Deck Securement and Above-Deck Roof Components; Factory Mutual System; 2006.

14.  PS 1 - Structural Plywood; 2009.

15.  PS 20 - American Softwood Lumber Standard; 2010.

16.  SPRI ES-1 - Wind Design Standard for Edge Systems Used with Low Slope Roofing Systems; 2010 or current enforced edition. (ANSI/SPRI ES-1)

1.05 ADMINISTRATIVE REQUIREMENTS

A.  Pre-Installation Conference: Before start of roofing work, Contractor shall hold a meeting to discuss the proper installation of materials and requirements to achieve the warranty.

1.  Require attendance with all parties directly influencing the quality of roofing work or affected by the performance of roofing work.

2.  Notify Architect well in advance of meeting.

1.06 SUBMITTALS

A.  See Section 01 - Administrative Requirements, for submittal procedures.

B.  Product Data:

1.  Provide membrane manufacturer's printed submittal package to show that all components of roofing system, including insulation and fasteners, comply with the specified requirements and with the membrane manufacturer's requirements and recommendations for the system type specified; include data for each product used in conjunction with roofing membrane.

2.  Where UL or FM requirements are specified, provide documentation that shows that the roofing system to be installed is UL-Classified or FM-approved, as applicable; include data itemizing the components of the classified or approved system.

C.  Samples: Submit samples of each product to be used.

D.  Shop Drawings: Provide:

1.  The roof membrane manufacturer's standard details customized for this project for all relevant conditions, including flashings, base tie-ins, roof edges, terminations, expansion joints, penetrations, and drains.

2.  For tapered insulation, provide project-specific layout and dimensions for each board.

E.  Pre-Installation Notice: Copy to show that manufacturer's required Pre Installation Notice (PIN) has been accepted and approved by the manufacturer.

F.  Executed Warranty as a requirement of project closeout.

G.  Specimen Warranty: Submit prior to starting work.

H.  Samples: Submit samples of each product to be used.

1.07 QUALITY ASSURANCE

A.  Installer Qualifications: Roofing installer shall have the following:

1.  Current Firestone Master Contractor status.

2.  Current approval, license, or authorization as applicator by the manufacturer.

3.  At least five years experience in installing specified system.

4.  Capability to provide a payment performance bond.

1.08 DELIVERY, STORAGE AND HANDLING

A.  Deliver products in manufacturer's original containers, dry and undamaged, with seals and labels intact and legible.

B.  Store materials clear of ground and moisture with weather protective covering.

C.  Keep combustible materials away from ignition sources.

1.09 WARRANTY

  1. See Division 1 - Closeout Submittals, for additional warranty requirements.
  2. Comply with all warranty procedures required by manufacturer, including notifications, scheduling, and inspections.

C.  Warranty: Firestone 15 year, 20 year, 25 year, [or 30 year] Red Shield Limited Warranty covering membrane, roof insulation, and other indicated components of the system, for the noted term.

Systems specified with a warranty duration of 20 years or greater or a wind speed coverage above 55 mph require additional attachment and detail considerations. Consult the manufacturer’s design guidelines for further information. Source a 25 or 30 year System specification from your local Firestone Building Products authorized representative. Applications for this duration must be considered by the Manufacturer on an individual basis.

A.  Limit of Liability: No Dollar Limit.

1.  Examples of criteria include the repair of leaks in the roofing system caused by:

a. Manufacturing defects in Firestone brand materials.

b. Defective workmanship used to install these materials.

c. Damage due to winds up to 55 or 72, 80, 90, 100, 110, 120 mph.

2.  Examples of criteria excluded from warranty action includes:

a. Damage due to winds in excess of 55 or 72, 80, 90, 100, 110, 120 mph.

b. Damage due to hurricanes or tornadoes.

c. Hail.

d. Intentional damage.

e. Unintentional damage due to normal rooftop inspections, maintenance, or service.

PART 2 PRODUCTS

2.01 MANUFACTURERS

A.  Acceptable Manufacturer - Roofing System: Firestone Building Products LLC, Carmel, IN: www.firestonebpco.com.

1.  Roofing systems manufactured by others are acceptable provided the roofing system is completely equivalent in materials and warranty conditions and the manufacturer meets the following qualifications:

a. Specializing in manufacturing the roofing system to be provided.

b. Minimum ten years of experience manufacturing the type of roofing to be provided.

c. Able to provide a no dollar limit, single source roof system warranty that is backed by corporate assets in excess of one billion dollars.

d. ISO 9002 certified.

e. Able to provide isocyanurate insulation that is produced in its own facilities.

f.  Roofing systems manufactured by the companies listed below are acceptable provided they are completely equivalent in materials and warranty conditions.

B.  Manufacturer of Insulation and Cover Boards: Same manufacturer as roof membrane.

C.  Manufacturer of Metal Roof Edging: Same manufacturer as roof membrane.

1.  Metal roof edging products by other manufacturers are not acceptable.

2.  Field- or shop-fabricated metal roof edgings are not acceptable.

D.  Substitutions: See Division 01 - Product Requirements.

1.  Submit evidence that the proposed substitution complies with the specified requirements.

2.02 ROOFING SYSTEM DESCRIPTION

A.  Roofing System: Styrene-butadiene-styrene [SBS] modified bitumen membrane.

1.  Membrane and Attachment: Mineral granule surfaced cap sheet and base sheet, MB cold adhesive applied, hot asphalt, roofing torch.

2.  Slope: Deck is sloped but not enough; provide additional slope of 1/4 inch per foot (1:48 ) by means of tapered insulation.

3.  Comply with applicable local building code requirements.

4.  Provide assembly having Underwriters Laboratories, Inc. (UL) Class A, B, C, Fire Hazard Classification.

5.  Provide assembly complying with Factory Mutual Corporation (FM) Roof Assembly Classification, FM DS 1-28 and 1-29, and meeting minimum requirements of FM 1-90 wind uplift rating.

B.  Roofing System Components: Listed in order from the top of the roof down:

1. Cover Board: Gypsum-based board, 1/4 inch (6 mm) thick; low rise polyurethane foam attached.

2. Insulation:

a. Maximum Board Thickness: 3 inches (75 mm); use as many layers as necessary; stagger joints in adjacent layer.

b. Tapered: Slope as indicated; provide minimum R-value at thinnest point; place tapered layer on bottom.

c. Total R Value: 20, minimum.Top Layer: Polyisocyanurate foam board, non-composite; MB cold adhesive attached.

d. Bottom Layer: Polyisocyanurate foam board, non-composite; low rise polyurethane foam.

e. Crickets: Tapered insulation of same type as specified for top layer; slope as indicated.

3. Vapor Barrier over deck/deck cover: (Optional, not required. The use of a vapor barrier within the roofing system is strictly the decision of the design professional.)

a. Membrane: High density polyethylene sheet with SBS modified bitumen adhesive.

b. Attachment: Self adhering.

4. Thermal Barrier (Deck Cover Board): Gypsum-based board, 1/2 inch (12 mm) thick; mechanically attached.

2.03 SBS MODIFIED BITUMEN MATERIALS

A.  Cap Sheet: Granule surfaced SBS polymer-modified bitumen sheet, reinforced with a non-woven polyester mat enhanced with continuous glass fiber yarn in the machine direction. complying with ASTM D6164, Type II, Grade G, with the following additional characteristics:

1.  Formulated for MB cold adhesive, hot asphalt or roofing torch application.

2.  Reinforcing Fabric: 7.8 oz per sq yd (265 g/sq m), non-woven polyester mat with continuous fiberglass strands in machine direction.

3.  Nominal Thickness: 0.160 inch (4.1 mm).

4.  Post Consumer Recycled Content: 5 percent, nominal.

5.  Sheet Width: 3.3 feet (1 m), nominal.

6.  Granule Color: White, Black, UltraWhite; Solar Reflectance Index (SRI) of 87.

7.  Acceptable Product: SBS Premium FR by Firestone, SBS Premium by Firestone, SBS Premium FR Torch by Firestone, SBS Premium Torch by Firestone.

B.  Base Sheet: SBS polymer-modified bitumen sheet, complying with ASTM D6164, Type II, Grade S, formulated for hot asphalt, MB cold adhesive and roofing torch application to substrate and cap sheet, with the following additional characteristics:

  1. Formulated for MB cold adhesive, hot asphalt and roofing torch application.
  2. Reinforcing Fabric: 7.8 oz per sq yd (265 g/sq m)non-woven polyester mat with continuous fiberglass strands in machine direction.
  3. Nominal Thickness: 0.160 inch (4.6 mm).
  4. Post Consumer Recycled Content: 5 percent, nominal.
  5. Sheet Width: 3.3 feet (1 m), nominal.
  6. Acceptable Product: SBS Premium Poly Base by Firestone.

Retain following for torch down applications on thermal barrier

  1. Base Sheet: Asphalt impregnated and coated with a glass fiber mat reinforcement. Designed to provide superior durability and ease of installation in asphalt roofing systems. Complying with ASTM D 4601, Type II when tested in accordance with D 146 and with the following additional characteristics:
  2. Manufactured for conventional hot asphalt or mechanical attachment.
  3. Net Dry Mass – Coated Sheet, min.: 23.3 lb/100 ft2 (1,122.9 g/m2).
  4. Glass Mat Mass, min: 1.9 lb/100 ft2 (93.0 g/m2).
  5. Nominal Thickness: 55.0 mil (1.4 mm).
  6. Sheet Width: 3.3 feet (1 m), nominal.
  7. Acceptable Product: MB Base by Firestone.

2.04 ROOF INSULATION AND COVER BOARDS

A.  Polyisocyanurate Board Insulation: Closed cell polyisocyanurate foam with black glass reinforced mat laminated to faces, complying with ASTM C1289 Type II Class 1, with the following additional characteristics:

1.  Thickness: As indicated elsewhere.

2.  Size: 48 inches (1220 mm) by 96 inches (2440 mm), nominal.

a. Exception: Insulation to be attached using adhesive or asphalt may be no larger than 48 inches (1220 mm) by 48 inches (1220 mm), nominal.

Iso Insulation Insulation

Thickness R Value*

[IN (mm)]

1.00 (25.4) 5.7

1.50 (38.1) 8.6

1.75 (44.5) 10.0

2.00 (50.8) 11.4

2.30 (58.4) 13.2

2.50 (63.5) 14.4

2.80 (71.1) 16.2

3.00 (76.2) 17.4

3.25 (82.6) 18.9

3.50 (88.9) 20.5

3.75 (95.3) 22.0

4.00 (101.6) 23.6

*Long Term Thermal Resistance (LTTR) values provide a 15‐Year time weighted average in accordance with ASTM 1289-13.

Total Iso Insulation System

Thickness, nominal R Value