Exterior Research & Design, L.L.C. Building Science and Envelope Consultants

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1 Exterior Research &, L.L.C. Building Science and Envelope Consultants Certificate of Authorization #9503 Evaluation Report Evaluation of Roofing s for Florida Product Approval #FL7508 Prepared for: Johns Manville Corporation th Street Denver, CO Prepared by: Robert J.M. Nieminen, P.E. Florida Registration Florida DCA ANE1983 Date of Issuance: September 19, 2006 ERD East: 2 Mattoon Road Waterbury, CT Voice (203) Fax (203) Main Office: 80 Yesler Way Suite 200 Seattle, WA Voice (206) Fax (206) Laboratory: 600 W. Nickerson St Seattle, WA Voice (206) Fax (206)

2 Certificate of Page 2 of 4 Authorization #9503 Manufacturer: Product Category: Sub-Category: Evaluation Method: Compliance Statement: Johns Manville Roofing s th Street Denver, CO Roofing Single Ply Roof s Method 1: Products specifically addressed in the FBC through performance criteria and standardized testing or comparative rational analysis methods. single-ply roof systems, as produced by Johns Manville Roofing s, have demonstrated compliance with the following sections of the Florida Building Code through testing in accordance with the following Standards. Compliance is subject to the Installation Requirements and Limitations / Conditions of Use set forth herein. Standards: Section Property Standard Year Wind FM Impact FM Physical Properties ASTM D References: Entity Examination Reference Date FM Approvals FM /15/01 FM Approvals FM /13/01 FM Approvals FM /02/02 FM Approvals FM /04/02 FM Approvals FM /28/02 FM Approvals FM /27/03 FM Approvals FM /09/04 FM Approvals FM /28/05 FM Approvals FM /02/06 FM Approvals FM /01/06 FM Approvals FM /02/06 IRT-Arcon TAS 114(J) PC /26/01 IRT-Arcon TAS 114(D) /12/01 MTi ASTM D6878 EX30M3B 06/17/04 Underwriters Labs Quality Assurance R9334 Current Product / Description: 45 & 60 membranes are nominal 45-mil (1.1 mm) or 60-mil (1.5-mm) thick respectively, internally reinforced thermoplastic polyolefin roof covers. Membrane is supplied in rolls 37.5, 48, 60, 75, 96, 120 ft or inch wide by 100 ft long. Side and end laps are sealed using hot air welding. The roof cover is mechanically or fully-adhered to Approved substrates, as outlined in the Limitations of Use herein. 72 & 80 membranes are nominal 72-mil (1.8 mm) or 80-mil (2.0-mm) thick, internally reinforced thermoplastic polyolefin roof covers. Membrane is supplied in rolls 48 ft or 96 inches wide by 75 ft long. Side and end laps are sealed using hot air welding. The roof cover is mechanically or fullyadhered to Approved substrates, as outlined in the Limitations of Use herein. ERD East: 2 Mattoon Road Waterbury, CT Voice (203) Fax (203) Main Office: 80 Yesler Way Suite 200 Seattle, WA Voice (206) Fax (206) Laboratory: 600 W. Nickerson St Seattle, WA Voice (206) Fax (206)

3 Certificate of Page 3 of 4 Authorization #9503 QA Documentation: 1. Listing through Underwriters Laboratories, Inc. (QUA 1743). Continued QA documentation comes in the form of the UL Mark on all product containers. 2. Non-JM materials used in the system shall be manufactured under a quality assurance program administered by a Florida DCA Approved Quality Assurance Entity, and materials and/or packaging shall carry the appropriate labeling from the Quality Assurance Entity. Installation Requirements: 1. roof covers shall be installed in accordance with Johns Manville published installation instructions, subject to the Limitations / Conditions of Use noted below. 2. attachment requirements for wind load resistance are set forth in Appendix For mechanically fastened membrane installations over profiled steel deck, membrane shall be installed running perpendicular to steel deck flutes. Limitations / Conditions of Use: 1. This Evaluation Report is not for use within the HVHZ. 2. Refer to a current Approved Roofing Materials Directory for fire rating. 3. For steel deck installations, foam plastic insulation shall be separated from the building interior in accordance with FBC Section unless the exceptions stated in FBC Sections and apply. 3. Unless otherwise noted in Appendix 1, roof decking and its attachment shall be specified and installed to meet project design criteria to the satisfaction of the AHJ. 4. For recover installations, the existing roof shall be examined in accordance with FBC Section For mechanically insulation or membrane, the maximum design pressure for the selected assembly shall meet or exceed the Zone 1 design pressure determined in accordance with FBC Chapter 16. Zones 2 and 3 shall employ a tighter membrane or insulation attachment density designed by a qualified design professional to resist the elevated pressure criteria. Commonly used methods are RAS 117, RAS 137 and FM LPDS For adhered insulation, the maximum design pressure for the selected assembly shall meet or exceed critical design pressure determined in accordance with FBC Chapter 16. No rational analysis is permitted for these systems 7. For mechanically insulation or membrane over existing roof decks, fasteners shall be tested in the existing deck for withdrawal resistance. A qualified design professional shall review the data for comparison to the minimum requirements for the system. Testing and analysis shall be in accordance with TAS For existing substrates in a re-roof (tear off) or recover installation, the existing deck or existing roof surface shall be examined for compatibility with the membrane or insulation adhesive to be installed. If any surface conditions exist that bring system performance into question, field uplift testing in accordance with ASTM E907 or FM LPDS 1-52 shall be conducted on mock-ups of the proposed new roof assembly. 9. For existing substrates in a recover installation, the existing roof system shall be capable of resisting project design pressures on its own merit to the satisfaction of the AHJ, as documented ERD East: 2 Mattoon Road Waterbury, CT Voice (203) Fax (203) Main Office: 80 Yesler Way Suite 200 Seattle, WA Voice (206) Fax (206) Laboratory: 600 W. Nickerson St Seattle, WA Voice (206) Fax (206)

4 Certificate of Page 4 of 4 Authorization #9503 through field uplift testing in accordance with ASTM E907 or FM LPDS Certification of Independence: 1. ERD East does not have, nor does it intend to acquire or will it acquire, a financial interest in any company manufacturing or distributing products it evaluates. 2. ERD East is not owned, operated or controlled by any company manufacturing or distributing products it evaluates. 3. Robert Nieminen, P.E. does not have nor will acquire, a financial interest in any company manufacturing or distributing products for which the evaluation reports are being issued. 4. Robert Nieminen, P.E. does not have, nor will acquire, a financial interest in any other entity involved in the approval process of the product. Continued Compliance: Evaluation for compliance is valid until such time as the named product(s) changes, the referenced Quality Assurance documentation changes, or provisions of the Code that relate to the product change. Acceptance of this Evaluation Report by the named client constitutes agreement to notify ERD or Robert Nieminen, P.E. if the product changes or the referenced Quality Assurance documentation changes. Respectfully submitted, Robert Nieminen, P.E. Vice President Florida Reg robertn@exdesign.com The facsimile seal appearing on this document was authorized by Robert Nieminen, P.E on 09/19/2006 This does not serve as an electronically signed document Original, signed & sealed hardcopies forthcoming via courier - 10 PAGES THAT FOLLOW FORM PART OF THIS EVALUATION REPORT - ERD East: 2 Mattoon Road Waterbury, CT Voice (203) Fax (203) Main Office: 80 Yesler Way Suite 200 Seattle, WA Voice (206) Fax (206) Laboratory: 600 W. Nickerson St Seattle, WA Voice (206) Fax (206)

5 Certificate of Authorization #9503 Appendix 1: Page 1 of 10 WIND UPLIFT PERFORMANCE TABLES: The following notes apply to the systems outlined herein: 1. Roof deck shall be specified and installed in accordance with FBC requirements to the satisfaction of the AHJ. 2. For insulations not specifically called-out by trade name, the insulation may be any polyisocyanurate, polystyrene, fiberboard, perlite or gypsum-based insulation board that meets the quality assurance requirements of F.A.C. Rule 9B-72 and is documented as meeting FBC and, for foam plastic, FBC or , when installed with the roof cover. 3. Minimum fastener engagement are as follows: Wood Deck: Minimum ¾-inch plywood penetration or minimum 1-inch wood plank embedment. Steel Deck: Minimum ¾-inch steel penetration and engage the top flute of the steel deck. Concrete Deck: Minimum 1-inch embedment into pilot hole in accordance with the fastener manufacturer s published installation instructions. 4. Preliminary insulation attachment for Type D: Minimum four fasteners per 4 x 8 ft board or minimum two fasteners per 4 x 4 ft board. 5. Unless otherwise noted, insulation adhesive application rates are as follows: Hot asphalt: 25 lbs/square. If applying hot asphalt to deck; deck shall be primed with ASTM D41 primer. Pourable Foam Insulation Adhesive: ( ): Continuous ½ to ¾-inch wide ribbons, 12-inch One Step Foamable Adhesive ( ): Continuous ½ to ¾-inch wide ribbons, 12-inch 6. Bonded polyisocyanurate insulation boards shall be maximum 4 x 4 ft. 7. Tapered polyisocyanurate may be substituted for the flat stock board referenced in Tables 2A, 4A and 5A with the following Maximum (MDP) limitations: Pourable Foam Insulation Adhesive: ( ): Maximum One Step Foamable Adhesive ( ): Maximum 8. For mechanically components, the maximum design pressure for the selected assembly shall meet or exceed the Zone 1 design pressure determined in accordance with FBC Chapter 16, and Zones 2 and 3 shall employ a tighter attachment density designed by a qualified design professional to resist the elevated pressure criteria. 9. For bonded assemblies, the maximum design pressure for the selected assembly shall meet or exceed critical design pressure determined in accordance with FBC Chapter 16, and no rational analysis is permitted. 10. For mechanically components over existing decks, fasteners shall be tested in the existing deck for withdrawal resistance. A qualified design professional shall review the data for comparison to the minimum requirements for the system. Testing and analysis shall be in accordance with TAS For existing substrates in a bonded recover installation, the existing roof system shall be capable of resisting project design pressures on its own merit to the satisfaction of the AHJ, as documented through field uplift testing in accordance with ASTM E907 or FM LPDS Adhered seams are 3-inch wide, with a min. 1.5-inch heat-weld.

6 Certificate of Authorization #9503 Appendix 1: Page 2 of 10 TABLE 1A: STEEL OR CONCRETE DECKS NEW CONSTRUCTION, REROOF (Tear-Off) or RECOVER SYSTEM TYPE C: MECHANICALLY ATTACHED INSULATION, BONDED MEMBRANE Roof Deck Base Insulation Top Insulation Layer Roof Cover Layer Type Fasteners Attach Membrane Application S-1 22 ga., type B, Grade 33 steel or more, loose laid ½-inch UltraFast #12 (steel only) or All Purpose Fastener with UltraFast AccuTrac Flat Bottom Plates 1 per 4 ft 2 Bonding Adhesive (Solvent Based), 2-sided psf S-2 22 ga., type B, Grade 33 steel or more, loose laid ¼-inch UltraFast #12 (steel only) or All Purpose Fastener with UltraFast AccuTrac Flat Bottom Plates 1 per 2.7 ft 2 Bonding Adhesive (Solvent Based), 2-sided S-3 22 ga., type B, Grade 80 steel or more, loose laid 1.5-inch ACFoam II, ENRGY 3 All Purpose Fastener with UltraFast AccuTrac Flat Bottom Plates 1 per 1.8 ft 2 Bonding Adhesive (Solvent Based), 2-sided psf S-4 22 ga., type B, Grade 80 steel or more, loose laid 2.0-inch ACFoam II, ENRGY 3 All Purpose Fastener with UltraFast AccuTrac Flat Bottom Plates 1 per 1.8 ft 2 Bonding Adhesive (Solvent Based), 2-sided psf S-5 22 ga., type B, Grade 80 steel or more, loose laid 5/8-inhc All Purpose Fastener with UltraFast AccuTrac Flat Bottom Plates 1 per 1.6 ft 2 Bonding Adhesive (Solvent Based), 2-sided psf S-6 22 ga., type B, Grade 80 steel or more, loose laid ¼-inhc All Purpose Fastener with UltraFast AccuTrac Flat Bottom Plates 1 per 1.3 ft 2 Bonding Adhesive (Solvent Based), 2-sided psf

7 Certificate of Authorization #9503 Appendix 1: Page 3 of 10 TABLE 1B: STEEL OR CONCRETE DECKS NEW CONSTRUCTION, REROOF (Tear-Off) or RECOVER SYSTEM TYPE D: MECHANICALLY ATTACHED MEMBRANE Roof Deck Insulation Layer Type Attach Membrane Fasteners Roof Cover Fastener Width Seam Weld S-7 Roofgrip, JM Extra High Load Fastener or JM High 18-inch 5-inch 70-inch 2.0-inch psf S-8 Roofgrip, JM Extra High Load Fastener or JM High 18-inch 90-inch dual weld or psf S-9 S-10 S-11 S-12 S-13 Roofgrip, JM Extra High Load Fastener or JM High Fastener with JM Extra Fastener with JM Super High Load 3 Plates Fastener with JM Extra Roofgrip, JM Extra High Load Fastener or JM High 12-inch 18-inch 12-inch 12-inch 12-inch 5-inch 114-inch 114-inch inch dual weld psf psf psf psf psf

8 Certificate of Authorization #9503 Appendix 1: Page 4 of 10 TABLE 1B: STEEL OR CONCRETE DECKS NEW CONSTRUCTION, REROOF (Tear-Off) or RECOVER SYSTEM TYPE D: MECHANICALLY ATTACHED MEMBRANE Roof Deck Insulation Layer Type Attach Membrane Fasteners Roof Cover Fastener Width Seam Weld S-14 Roofgrip, JM Extra High Load Fastener or JM High 12-inch 114-inch psf S-15 S-16 Roofgrip, JM Extra High Load Fastener or JM High Fastener with JM Extra 12-inch 12-inch 90-inch 90-inch dual weld or S-17 Roofgrip, JM Extra High Load Fastener or JM High 114-inch S-18 Fastener with JM Extra 12-inch 114-inch S-19 Fastener with JM Extra or JM Extra High Load Fastener with JM Super High Load 3 Plates S-20 JM High Load Fasteners with JM S-21 Load Fastener with ¾ 12-inch 4.5- inch 1.5-inch dual weld

9 Certificate of Authorization #9503 Appendix 1: Page 5 of 10 TABLE 1B: STEEL OR CONCRETE DECKS NEW CONSTRUCTION, REROOF (Tear-Off) or RECOVER SYSTEM TYPE D: MECHANICALLY ATTACHED MEMBRANE S-22 Roof Deck Insulation Layer Type Attach Membrane Fasteners Fasteners with 1-inch Roof Cover Fastener Width 4.5- inch inch Seam Weld 1.5-inch dual weld psf S-23 S-24 Load Fastener with ¾ Fasteners with JM Extra 114-inch 90-inch 1.0-inch inside and 1.25-inch 1.5-inch psf psf S-25 Load Fastener with 1-inch 4.5- inch 1.5-inch dual weld psf S or 80 mil Load Fastener with ¾ 69-inch 1.0-inch inside and 1.5-inch psf S or 80 mil 90-inch 1.5-inch psf S-28 Load Fastener with 1-inch 4-inch 1.25-inch dual weld psf S-29 S or 80 mil 72 or 80 mil Fasteners with JM Extra 69-inch 90-inch 1.5-inch 1.5-inch psf psf

10 Certificate of Authorization #9503 Appendix 1: Page 6 of 10 TABLE 1B: STEEL OR CONCRETE DECKS NEW CONSTRUCTION, REROOF (Tear-Off) or RECOVER SYSTEM TYPE D: MECHANICALLY ATTACHED MEMBRANE Roof Deck Insulation Layer Type Attach Membrane Fasteners Roof Cover Fastener Width Seam Weld S-31 Load Fastener with ¾ 4.5- inch inch 1.0-inch inside and 1.25-inch psf S-32 Load Fastener with 1-inch 5-inch 1.5-inch dual weld psf S or 80 mil Row: ITW Bldx Large Head #15 Roofgrip or Fastener with JM High Load Plates Intermediate Row Between s: ITW Bldx Large Head #15 Roofgrip or Fastener with ¾ Polymer Batten Strip Row: 6- inch Intermediate Row: 90-inch : 1.5-inch Intermediate Row: 5-inch coverstrip with 1.5-inch weld on each side of bar psf

11 Certificate of Authorization #9503 Appendix 1: Page 7 of 10 C-1 C-2 C-3 C-4 C-5 C-6 C-7 C-8 TABLE 2A: CONCRETE DECKS NEW CONSTRUCTION or REROOF (Tear-Off) SYSTEM TYPE A: BONDED INSULATION, BONDED MEMBRANE Base Insulation Layer Top Insulation Layer Roof Cover Roof Deck Type Attach Type Attach Membrane Application layers ACFoam II, ENRGY 3 or H-Shield (Optional) layers ACFoam II, ENRGY 3 or H-Shield layers ACFoam II, ENRGY 3 or H-Shield (Optional) layers ACFoam II, ENRGY 3 or H-Shield layers ACFoam II, ENRGY 3 or H-Shield (Optional) layers ACFoam II, ENRGY 3 or H-Shield layers ACFoam II, ENRGY 3 or H-Shield (Optional) layers ACFoam II, ENRGY 3 or H-Shield Hot asphalt Hot asphalt (Optional) ½-inch Knight Celotex Structodek HD Fiberboard ½-inch Knight Celotex Structodek HD Fiberboard (Optional) ¼-inch DensDeck ¼-inch DensDeck (Optional) ¼-inch DensDeck or ¼-inch DensDeck or (Optional) ¼-inch DensDeck or or min. ½-inch Knight Celotex Structodek HD Fiberboard ¼-inch DensDeck or or min. ½-inch Knight Celotex Structodek HD Fiberboard Hot asphalt Hot asphalt Bonding Adhesive Bonding Adhesive Bonding Adhesive Bonding Adhesive Bonding Adhesive Bonding Adhesive Bonding Adhesive Bonding Adhesive psf psf psf psf psf psf psf psf

12 Certificate of Authorization #9503 Appendix 1: Page 8 of 10 TABLE 3A: LIGHTWEIGHT CONCRETE DECKS NEW CONSTRUCTION or REROOF (Tear-Off) SYSTEM TYPE F: BONDED MEMBRANE Roof Deck Roof Cover Structural Deck Lightweight Concrete Membrane Application LWC psi Elastizell LWIC. Top surface treated with roller-applied sodium silicate and allowed to dry, then primed with Membrane Adhesive at 120 ft 2 /gal and allowed to dry Bonding Adhesive (Solvent Based), 2-sided application, 65 ft 2 /gal psf TABLE 3B: LIGHTWEIGHT CONCRETE DECKS NEW CONSTRUCTION, REROOF (Tear-Off) or RECOVER SYSTEM TYPE D: MECHANICALLY ATTACHED MEMBRANE Roof Deck Lightweight Concrete Membrane Fasteners Roof Cover Fastener Width Seam Weld LWC psi cellular lightweight with minimum 2-inch thick top coat Load Fastener with 4.5- inch inch 0.75-inch inside and 1.0-inch psf

13 Certificate of Authorization #9503 Appendix 1: Page 9 of 10 G-1 G-2 G-3 G-4 TABLE 4A: GYPSUM DECKS REROOF (Tear-Off) SYSTEM TYPE A: BONDED INSULATION, BONDED MEMBRANE Base Insulation Layer Top Insulation Layer Roof Cover Roof Deck Type Attach Type Attach Membrane Application Existing gypsum deck Existing gypsum deck Existing gypsum deck Existing gypsum deck layers ACFoam II, ENRGY 3 or H-Shield more layers ACFoam II, ENRGY 3 or H- Shield layers ACFoam II, ENRGY 3 or H-Shield more layers ACFoam II, ENRGY 3 or H- Shield (Optional) ½- inch Knight Celotex Structodek HD Fiberboard ½-inch Knight Celotex Structodek HD Fiberboard (Optional) ¼- inch DensDeck or ¼-inch DensDeck or Bonding Adhesive Bonding Adhesive Bonding Adhesive Bonding Adhesive psf psf psf psf

14 Certificate of Authorization #9503 Appendix 1: Page 10 of 10 TABLE 5A: RECOVER APPLICATIONS SYSTEM TYPE A: BONDED INSULATION, BONDED MEMBRANE Substrate Base Insulation Layer Top Insulation Layer Roof Cover Type Attachment Type Attachment Membrane Application R-1 Existing asphaltic BUR or mineral surface cap sheet layers ACFoam II, ENRGY 3 or H-Shield (Optional) ½- inch Knight Celotex Structodek HD Fiberboard Bonding Adhesive psf R-2 Existing asphaltic BUR or mineral surface cap sheet (Optional) layers ACFoam II, ENRGY 3 or H-Shield ½-inch Knight Celotex Structodek HD Fiberboard Bonding Adhesive psf R-3 Existing asphaltic BUR or mineral surface cap sheet layers ACFoam II, ENRGY 3 or H-Shield (Optional) ¼- inch DensDeck Bonding Adhesive psf R-4 Existing asphaltic BUR or mineral surface cap sheet (Optional) layers ACFoam II, ENRGY 3 or H-Shield ¼-inch DensDeck Bonding Adhesive psf R-5 Existing asphaltic BUR or mineral surface cap sheet layers ACFoam II, ENRGY 3 or H-Shield (Optional) ¼- inch DensDeck or Bonding Adhesive psf R-6 Existing asphaltic BUR or mineral surface cap sheet (Optional) layers ACFoam II, ENRGY 3 or H-Shield ¼-inch DensDeck or Bonding Adhesive psf

Exterior Research & Design, L.L.C. Building Science and Envelope Consultants

Exterior Research & Design, L.L.C. Building Science and Envelope Consultants Certificate of Evaluation Report 3520.03.04-R2 Evaluation of Roof s for Florida Product Approval #FL2533-R2 Prepared for: CertainTeed