Laboratory Report T R1

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1 Simulated Wind Uplift Testing of LeakBarrier Self-Adhering Roof Systems in accordance with FM Standard 4470 and TAS 114 Prepared for: 2403 Taylors Valley Road Belton, TX Date of Issuance: June 26, 2007 Revision 1: October 9, 2007 EXTERIOR RESEARCH & DESIGN, LLC. MAIN: 80 Yesler Way Suite 200 Seattle, WA P: (206) F: (206) EAST: 353 Christian Street, Unit 13 Oxford, CT P: (203) F: (203) LAB 1: 600 W. Nickerson Street Seattle, WA P: (206) F: (206) LAB 2: 10 Mauney Court Columbia, SC P: (862) F: (803) TL-199 Certified

2 Page 2 of 8 Client Information: Client Reference: ERD Reference: Samples: Sample Delivery: 2403 Taylors Valley Road Belton, TX c/o: Shaik Mohseen Wind Uplift, Wood Decks Project # SC LeakBarrier HPP Asphalt Saturated Underlayment is a mechanically attached, polyester reinforced, asphalt-saturated base sheet. LeakBarrier Base Sheet is a self-adhered, fiberglass-reinforced, smooth-surfaced SBS modified bitumen base ply membrane. LeakBarrier Cap Sheet is a self-adhered, polyesterreinforced, granule-surfaced SBS modified bitumen cap ply membrane. Samples for base sheet rupture (pull-through) testing and wind uplift testing were delivered to the Trinity ERD laboratory located in Seattle, WA and Columbia SC, respectively. Test Date(s): May 1, 2007 and June 26, 2007 M-D Notification: TRINITY ERD Staff: Witnesses: Properties: ERD06049 Jeremy DeWitt, Todd Fritz, Michael Bloom, Robert Nieminen Shaik Mohseen, Base sheet pull-through (rupture) Simulated Wind Uplift Resistance Standards: FM Standard 4470, Class 1 Roof Covers, FM Global, 1986 (1992) TAS 114, Appendix J Test Procedure for 12 x24 Simulated Uplift Pressure Resistance of Roof System Assemblies, 1995, Miami-Dade BCCO. TAS 117(B) Test Procedure for Dynamic Pull-Through Performance of Roofing Membranes over Fastener Heads or Fasteners with Metal Bearing Plates, 1995, Miami-Dade BCCO. Equipment: Pull-Through Resistance: ComTen Wind Uplift Resistance: ERD 12 x24 Wind Uplift Chamber

3 Page 3 of 8 1. Rupture Performance Base Sheet and Coverboard Material 1.1 Samples of and 3/8-inch thick Securock were tested for rupture performance to determine the critical combination for use in full-scale test specimens and to assist with the design of full-scale specimens. 1.2 Specimen Preparation: Four 18 x 18 in. specimens of each combination was pierced with the reference fastening device, centered within each specimen. A cap sheet of was self-adhered to the top of each combination. 1.3 Procedure: The specimen is then clamped into the test apparatus, with the fastener shank pointing up. A grip is placed on the shank and pulled at a rate of 2 inches per minute. The maximum load incurred on the specimen is recorded. 1.4 Results: Specimen No. Table 1: Rupture (Pull-Through) Results (lbf) FBC HVHZ Nails & Tin Caps OMG 3 Galvalume Steel Plate TruFast MP-3 3/8-inch Securock OMG 3 Galvalume Steel Plate TruFast MP Average: Std. Deviation: Coefficient of Variation: 8% 2% 4% 5% 7% 1.5 Observations: The OMG 3 Galvalume Steel Plate is the critical stress plate for attachment of and Securock. Test results from full-scale testing using this critical plate are also applicable to use of the TruFast MP-3 plate.

4 Page 4 of 8 2. Simulated Wind Uplift Resistance 12 x 24 ft Pressure Differential 2.1 Specimen Preparation: One specimen measuring 13 x 26 ft was constructed for each of the following sample descriptions. The simulated wind uplift pressure tests utilize a 24 ft (7.3 m) long by 12 ft (3.7 m) wide steel vacuum pressure vessel arranged to apply vacuum air pressure at pre-established standard rates to the topside of the test panel, which forms the bottom of the pressure vessel Specimens were allowed to cure 7-days in outdoor, ambient conditions prior to testing. Sample ID System Type 1. F 2A. E 2B. E 3. C 4. D Table 2A: Summary of 12 x 24 ft Specimen Construction Coverboard or Substrate Attachment Attachment Base Ply Cap Ply Base Sheet 19/32 Plywood at 24 spans 19/32 Plywood at 24 spans 19/32 Plywood at 24 spans 19/32 Plywood at 24 spans 19/32 Plywood at 24 spans 8d ring shank nails 6-in o.c. 8d common nails 6-in o.c. 8d ring shank nails 6-in o.c. 8d common nails 6-in o.c. 8d common nails 6-in o.c. N/A N/A 3/8-in Securock Securock loose laid followed by FBC HVHZ prescribed nails & tin-caps 7-inch o.c. in 4 laps, with 3 rows 7-inch o.c. equally spaced in field. FBC HVHZ prescribed nails & tin-caps 7-inch o.c. in 4 laps, with 3 rows 7-inch o.c. equally spaced in field. OMG #12 Fasteners & OMG 3 Galvalume Steel Plates at 1 per 1 ft 2 OMG #12 Fasteners & OMG 3 Galvalume Steel Plates. 10-inch o.c. in laps and 10- inch o.c. in 2 equally spaced staggered rows 2.2 Procedure: A net pressure of 30 psf (1.4 kpa) is applied to the test sample and maintained for 1 minute. The pressure is increased to 45 psf (2.2 kpa), then to 60 psf (2.9 kpa) and held for 1 min. after each increment. The pressure is increased in increments of 15 psf (0.7 kpa) every min. until failure occurs. 2.3 Results: See Tables 2B through 2E, below.

5 Page 5 of 8 Table 2B: Test Results, Sample 1 Plywood (with 8d ring shank nails, 6 o.c.) / / Sample ID: 1 Failure Pressure 165 Failure Time (sec): During increase Failure Mode: Passing Pressure Plywood nail withdrawal 150 2:1 Margin of Safety 75 Table 2C: Test Results, Samples 2A & 2B Plywood / with nails & tin caps at 7, 7, 7, 7 / Sample ID: 2A (Plywood attached with 8d common nails) 2B (Plywood attached with 8d ring shank nails) Failure Pressure Failure Time (sec): On Rise On Rise Failure Mode: Plywood nail withdrawal Base sheet nail withdrawal Passing Pressure 2:1 Margin of Safety

Page 6 of 8 Table 2D: Test Results, Sample 3

Securock with OMG parts at 1 per 1 ft2 /

Time (sec): 20 Failure Mode: Passing Pressure

) / Securock, loose laid / with OMG parts at

6 Page 6 of 8 Table 2D: Test Results, Sample 3 Plywood (with 8d common nails, 6 o.c.) / 3/8-in. Securock with OMG parts at 1 per 1 ft2 / Sample ID: 3 Failure Pressure 120 Failure Time (sec): 20 Failure Mode: Passing Pressure Plywood nail withdrawal 105 2:1 Margin of Safety 52.5 Table 2E: Test Results, Sample 4 Plywood (with 8d common nails, 6 o.c.) / Securock, loose laid / with OMG parts at 10, 10, 10 / Sample ID: 4 Failure Pressure 135 Failure Time (sec): 10 Failure Mode: Passing Pressure Plywood nail withdrawal 120 2:1 Margin of Safety 60

7 Page 7 of 8 3. Observations: 3.1 Deck construction consisted of 19/32 thick plywood attached to structural supports of Southern Yelllow Pine spaced 24-inch o.c Panels 2A, 3 and 4 utilized 8d common nails spaced 6 o.c. for plywood securement, and displayed withdrawal of said nails from structural supports at 105, 120 and 135 psf (passing 90, 105 and 120 psf), respectively Panels 1 and 2B utilized 8d ring shank nails spaced 6 o.c. for plywood securement. Panel 1 displayed withdrawal of said nails from structural supports at 165 psf (passing 150 psf), while Panel 2B displayed withdrawal of the base sheet nails from the plywood deck at 135 psf (passing 120 psf) At no point during any of the tests did or display a loss of adhesion from its substrate. 3.2 Samples 3 and 4 were constructed using critical OMG stress plates. 3.3 The use of optional insulation between the coverboard and the deck in Sample 3 would have no bearing on system performance, as the insulation would carry no uplift load. 3.4 The use of alternate type of insulation and/or coverboard between the deck and the base sheet in Sample 4 would have no bearing on system performance, as the insulation and/or coverboard would carry no uplift load. 4. Conclusions: 4.1 TRINITY ERD has tested the specimens outlined in Table 2A, for wind uplift resistance in accordance with FM Standard 4470, Appendix K and FBC TAS 114, Appendix J resulting in the data outlined in Tables 2B -1E. Observations are outlined in Section A summary of systems and maximum design pressures with a 2 to 1 margin of safety are provided in Appendix 1 of this report.

8 Page 8 of 8 Please contact our offices with any questions. Sincerely, TRINITY ERD Jeremy DeWitt Codes / Product Development Manager Todd Fritz Laboratory Quality Manager Reviewed by: Robert Nieminen, P.E. Vice President Florida Reg. No This report and the data contained therein is the sole property of Trinity ERD and the named client. This report shall not be reproduced outside Trinity ERD except by the named client without written permission by the named client, in which case the report shall be reproduced in its entirety. Attached: Appendix 1, Summary of Systems and MDP s

9 Systems Summary: The following notes apply to the systems outlined herein: 1. Roof decks shall be in accordance with FBC requirements to the satisfaction of the AHJ, but not less than that noted herein. 2. For mechanically attached 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. 3. For insulations not specifically called-out by tradename, the insulation may be any polyisocyanurate, polystyrene, fiberboard or perlite 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. 4. For mechanically attached 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 105. TABLE 1: WOOD DECKS NEW CONSTRUCTION, REROOF (Tear-Off) or RECOVER SYSTEM TYPE C: MECHANICALLY ATTACHED INSULATION, BONDED ROOF COVER System No. Roof Deck Base Insulation Top Insulation Layer Roof Cover Layer Type Fasteners Attach Base Ply Cap Max. Design Pressure W-1 Min. 19/32 plywood at max. 24 spans attached with 8d common or ring shank nails, 6 o.c. (Optional) One or more layers, any combination, loose laid Min. 3/8-inch Securock Roof Board OMG #12 or #14 Heavy Duty with OMG 3 in. Galvalume Steel Plate or Trufast DP or HD with Trufast MP-3 1 per 1 ft 2 (Optional) psf System No. W-2 Roof Deck Min. 19/32 plywood at max. 24 spans attached with 8d common or ring shank nails, 6 o.c. TABLE 2: WOOD DECKS NEW CONSTRUCTION, REROOF (Tear-Off) or RECOVER SYSTEM TYPE D: LOOSE LAID INSULATION, MECHANICALLY ATTACHED BASE SHEET, BONDED ROOF COVER Insulation Layer Base Sheet Roof Cover Type Attach Type Fasteners Attach Ply Cap Any type, thickness or combination Loose laid OMG #12 or #14 Heavy Duty with OMG 3 in. Galvalume Steel Plate or Trufast DP or HD with Trufast MP-3 10-inch o.c. in the min. 4-inch lap and 10-inch o.c. in two, equally spaced, staggered center rows Max. Design Pressure psf Exterior Research and Design, LLC. d/b/a Trinity ERD Laboratory Report T R1 Certificate of Authorization #9503 Date of Issuance: 06/26/2007 Appendix 1, Page 1 of 2

10 TABLE 3: WOOD DECKS NEW CONSTRUCTION or REROOF (Tear-Off) SYSTEM TYPE E: MECHANICALLY ATTACHED BASE SHEET, BONDED ROOF COVER System No. Roof Deck Base Sheet Roof Cover Type Fasteners Attach Ply Cap Max. Design Pressure W-3 Min. 19/32 plywood at max. 24 spans attached with 8d common nails, 6 o.c. 12 ga. annular ring shank nails and min. 32 ga., 1-5/8 diameter tincaps. (Ref: FBC ) 7-inch o.c. in the 4-inch lap and 7- inch o.c. in three, equally spaced, staggered center rows psf W-4 Min. 19/32 plywood at max. 24 spans attached with 8d ring shank nails, 6 o.c. 12 ga. annular ring shank nails and min. 32 ga., 1-5/8 diameter tincaps. (Ref: FBC ) 7-inch o.c. in the 4-inch lap and 7- inch o.c. in three, equally spaced, staggered center rows psf W-5 Min. 19/32 plywood at max. 24 spans attached with 8d common or ring shank nails, 6 o.c. OMG #12 or #14 Heavy Duty with OMG 3 in. Galvalume Steel Plate or Trufast DP or HD with Trufast MP-3 10-inch o.c. in the min. 4-inch lap and 10-inch o.c. in two, equally spaced, staggered center rows psf System No. W-6 Roof Deck Min. 19/32 plywood at max. 24 spans attached with 8d ring shank nails, 6 o.c. TABLE 4: WOOD DECKS NEW CONSTRUCTION or REROOF (Tear-Off) SYSTEM TYPE F: BONDED ROOF COVER Roof Cover Max. Design Pressure Base Ply Cap (Optional) psf Exterior Research and Design, LLC. d/b/a Trinity ERD Laboratory Report T R1 Certificate of Authorization #9503 Date of Issuance: 06/26/2007 Appendix 1, Page 2 of 2

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