DIVISION: THERMAL AND MOISTURE PROTECTION SECTION: POLYVINYL CHLORIDE ROOFING REPORT HOLDER: IB ROOF SYSTEMS

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1 0 Most Widely Accepted and Trusted ICC ES Evaluation Report ICC ES 000 (800) (562) es.org ESR 28 Reissued 02/2018 This report is subject to renewal 02/2019. DIVISION: THERMAL AND MOISTURE PROTECTION SECTION: POLYVINYL CHLORIDE ROOFING REPORT HOLDER: IB ROOF S 2877 CHAD DRIVE EUGENE, OREGON EVALUATION SUBJECT: IB PVC ROOFING S Look for the trusted marks of Conformity! 2014 Recipient of Prestigious Western States Seismic Policy Council (WSSPC) Award in Excellence A Subsidiary of ICC-ES Evaluation Reports are not to be construed as representing aesthetics or any other attributes not specifically addressed, nor are they to be construed as an endorsement of the subject of the report or a recommendation for its use. There is no warranty by ICC Evaluation Service, LLC, express or implied, as to any finding or other matter in this report, or as to any product covered by the report. Copyright 2018 ICC Evaluation Service, LLC. All rights reserved.

2 ICC-ES Evaluation Report (800) (562) ESR-28 Reissued February 2018 This report is subject to renewal February A Subsidiary of the International Code Council DIVISION: THERMAL AND MOISTURE PROTECTION Section: Polyvinyl-Chloride Roofing REPORT HOLDER: IB ROOF S 2877 CHAD DRIVE EUGENE, OREGON (541) EVALUATION SUBJECT: IB PVC ROOFING S 1.0 EVALUATION SCOPE Compliance with the following codes: 2009 and 2006 International Building Code (IBC) 2009 and 2006 International Residential Code (IRC) 2013 Abu Dhabi International Building Code (ADIBC) The ADIBC is based on the 2009 IBC IBC code sections referenced in this report are the same sections in the ADIBC. Properties evaluated: Physical properties Fire classification Wind uplift resistance Impact resistance 2.0 USES IB PVC roofing membranes are single-ply membranes used as roof covering in adhered and mechanically fastened Class A or Class B roof assemblies installed on combustible or noncombustible decks. 3.0 DESCRIPTION 3.1 General: IB Membrane Roofing Systems consist of a single-ply polyvinyl chloride (PVC) membrane, (when specified), flashing, and mechanical fasteners or adhesives. 3.2 IB PVC Membranes: IB Single Ply Membrane: This is a polyester fabric reinforced PVC membrane. The membrane complies with ASTM D4434, Type III, and is manufactured in nominally 50-, 60- and 80-mil (1.27, 1. and 2.03 mm) thicknesses IB Single Ply Fleece Membrane: This is a polyester fabric reinforced PVC membrane with a nonwoven polyester fleece backing. The membrane complies with ASTM D4434, Type III, and is manufactured in nominally 50-, 60- and 80-mil (1.27, 1. and 2.03 mm) thicknesses. 3.3 Insulation: See Tables 1 through 4 for s used with specific roofing systems. Foam plastic, when used, must have a flame-spread index of not more than 75 when tested at the maximum thickness intended for use in accordance with ASTM E84 or UL 723. Polyisocyanurate and expanded (EPS) foam plastic boards must comply with ASTM C1289 and ASTM C578, respectively. 3.4 Barrier or Coverboard: Barrier or coverboard, when used, must be either of the following: Minimum 1 / 4 -inch-thick (6.4 mm) G-P Gypsum Corporation DensDeck. Minimum 1 / 4 -inch-thick (6.4 mm) USG Corporation SECUROCK. 3.5 Slip Sheet: Slip sheet, when used, must be IB Fire Sheet 10 or IB Fire Sheet Fasteners: Fasteners used to mechanically fasten and membranes to the roof deck must be corrosion-resistant and must be one of the fasteners specified in this section or noted in Tables 3 and IB #12 Standard Fastener: A No. 12 carbon steel screw, with a proprietary, corrosion-resistant epoxy-based coating, used in combination with IB fastening plates to attach roofing to steel and wood substrates. Fastener length must be sufficient to penetrate into the steel or wood deck a minimum of 3 / 4 inch (19 mm), or through the thickness of the deck, whichever is less IB #14 Heavy Duty Fastener: A No. 14 carbon steel screw with a proprietary, corrosion-resistant epoxybased coating, used in combination with IB fastening plates to attach roofing and single-ply membrane to steel and wood substrates. Fastener length must be sufficient to penetrate into the steel or wood deck a minimum of 3 / 4 inch (19 mm), or through the thickness of the deck, whichever is less IB CD-10 Fastener: A nonthreaded, hammerdriven roofing fastener, with a proprietary corrosionresistant epoxy-based coating, used with IB fastening plates to attach roofing and single-ply membrane to structural concrete substrates. Fastener length must be ICC-ES Evaluation Reports are not to be construed as representing aesthetics or any other attributes not specifically addressed, nor are they to be construed as an endorsement of the subject of the report or a recommendation for its use. There is no warranty by ICC Evaluation Service, LLC, express or implied, as to any finding or other matter in this report, or as to any product covered by the report. Copyright 2018 ICC Evaluation Service, LLC. All rights reserved. Page 1 of 8

3 ESR-28 Most Widely Accepted and Trusted Page 2 of 8 sufficient to penetrate into the concrete deck a minimum of 1 inch (25.4 mm) IB 3-inch Galvalume Insulation Plate: A 3-inchdiameter (76 mm) galvalume plate used in combination with IB fasteners to secure to the roof deck IB 2-inch Barbed Membrane Plate: A 2-inchdiameter (51 mm) galvanized steel plate to secure singleply membrane to the roof deck IB XHD Barbed Membrane Plate: A 2 3 / 8 -inchdiameter (60 mm), inch-thick (1.02 mm) steel disc, having an AZ55 galvalume coating, a inch-diameter (5.84 mm) center hole and six pointed barbs projecting 1 / 8 inch (3.2 mm) downward IB XHD Fastener: A carbon steel screw having a buttress thread design, double-edged self-drilling points, a 7 / 16 -inch-diameter (11.1 mm) truss head, a major thread diameter of inch (6.73 mm), a minor thread diameter of inch (4.01 mm) and a black proprietary coating Dekfast 2 1 / 2 -inch HS Membrane Plate: A 2 1 / 2 - inch-diameter (64 mm), inch-thick (0.96 mm) steel disc having an AZ50 galvalume coating, a inchdiameter (6.63 mm) center hole and six pointed barbs projecting 1 / 8 inch (3.2 mm) downward from the underside between two raised circular stampings Dekfast #15 HS Fastener: A No. 15 carbon steel screw, having double-edged self-drilling points, a 7 / 16 -inchdiameter (11.1 mm) truss head, a major thread diameter of inch (6.53 mm), a minor thread diameter of inch (4.24 mm) and a black proprietary coating OMG Polymer Batten Strip: A nominally 0.05-inch thick (1.27 mm), 1-inch-wide (25.4 mm) modified polymer batten bar with 0.25-inch-diameter (6.35 mm) holes spaced 3 inches (76 mm) on center. Batten strips are available in 250-foot (76 m) coils OMG Metal Batten Strip: An 18 gauge [0.050 inch (1.27 mm)], 1-inch-wide (25.4 mm), 10-foot-long (3 m), galvalume batten strip with 0.25-inch-diameter (6.35 mm) holes spaced 6 inches (1 mm) or 12 inches (305 mm) on center OMG XHD (Extra Heavy Duty) Seam Plate: A 2 3 / 8 -inch-diameter (60 mm), inch-thick (1.02 mm) steel disc, having an AZ55 galvalume coating, a inch-diameter (5.84 mm) center hole and six pointed barbs projecting 1 / 8 inch (3.2 mm) downward OMG XHD Roofing Fastener: A carbon steel screw having a buttress thread design, double-edged selfdrilling points, a 7 / 16 -inch-diameter (11.1 mm) truss head, a major thread diameter of inch (6.73 mm), a minor thread diameter of inch (4.01 mm) and a black proprietary coating. 3.7 s: s must be one of the adhesives described in this section or noted in Tables 3 and : A polyurethane adhesive designed for bonding s to substrates. The adhesive is applied to the substrate and the underside of the and has a coverage rate of 300 ft 2 per gallon (7.38 m 2 per L). The adhesive is available in a 1-gallon (3.78 L) container : A water-based adhesive designed for bonding IB PVC membranes to substrates. The adhesive is applied only to the substrate with a coverage range between 300 to 5 ft 2 (27.9 to 48.8 m 2 ) per 3-gallon (11.34 L) pail IB Vertibond : An adhesive designed for bonding IB PVC membranes to substrates. The adhesive is applied to the substrate and to the underside of the membrane and has a coverage rate of 60 ft 2 per gallon (1.5 m 2 per L) pail. 3.8 Impact Resistance: The IB PVC Roofing Membranes described in this report meet the requirements for impact resistance in IBC Section based on testing in accordance with Section 5.5 of FM INSTALLATION 4.1 General: Installation of the IB PVC membranes must comply with the applicable code, the manufacturer s published installation instructions and this report. The manufacturer s installation instructions must be available on the jobsite at all times during installation. The slope of the roof on which the membranes are installed must be a minimum of 1 / 4 :12 (2 percent slope) and must not be more than the maximum slope indicated for the particular assembly as listed in Tables 1 and 2. Penetrations and terminations of the roof covering must be flashed and made weather-tight in accordance with the requirements of the membrane manufacturer and the applicable code. 4.2 Fire Classification: New Construction: Roof covering systems described in Tables 1 and 2, when installed in accordance with this report, are classified as Class A or B roof covering systems in accordance with ASTM E108 or UL Reroofing: The existing deck must be inspected to verify that the structure to be reroofed is structurally sound and adequate to support and secure the roofing membrane. Prior to installation of new roof coverings, the code official must inspect the structure and provide written approval of the installation. Class A, B, or C roof covering systems may be installed over existing classified roof covering systems under the following conditions without additional roof classification tests, provided the resulting classification is the lower of the new and existing roofing classification: New uninsulated systems installed only over existing uninsulated assemblies. New insulated systems installed over existing uninsulated systems only. 4.3 Wind Resistance: New Construction: The allowable wind uplift pressures for the IB membrane roof covering systems described in the report are noted in Tables 3 and 4. Metal edge securement for all roofing systems must be designed and tested in accordance with ANSI/SPRI ES-1, to show compliance with IBC Section For mechanically attached membranes, the edge securement may be the IB 3-inch Drip Edge PVC Clad Metal System or the IB 3 3 / 4 -inch Gravel Stop PVC Clad Metal System. When tested in accordance with Test RE-1 of ANSI/SPRI ES-1, the maximum allowable loads at the roof edge are 329 plf (490 kg/m) for the 3-inch Drip Edge System and 356 plf (530 kg/m) for the 3 3 / 4 -inch Gravel Stop System Reroofing: Roof covering systems employing mechanical fasteners must be qualified to the satisfaction of the code official as to the adequacy of fasteners penetrating through existing roof coverings into structural substrates. Since the composition and/or condition of any particular underlying existing roofing material may vary widely, reroofing with adhered systems is outside the scope of this report.

4 ESR-28 Most Widely Accepted and Trusted Page 3 of CONDITIONS OF USE The IB PVC membranes described in this report comply with, or are suitable alternatives to what is specified in, those codes listed in Section 1.0 of this report, subject to the following conditions: 5.1 Installation of the membranes must comply with the applicable code, the manufacturer s published installation instructions and this report. If there are any conflicts between the manufacturer s installation instructions and this report, this report governs. 5.2 The membranes must be installed by authorized applicators approved by IB Roof Systems. 5.3 Foam plastic must be separated from the interior of the building by an approved thermal barrier in accordance with IBC Section or IRC Section R316.4, as applicable. 5.4 Foam plastic, when used, must bear the label of an approved testing and listing agency indicating that the foam plastic has a flame-spread index of not more than 75 when tested at the maximum thickness intended for use in accordance with ASTM E84 or UL Above-deck thermal board must comply with the applicable standard listed in IBC Table or IRC Table R906.2, as applicable. 5.6 Wind uplift pressure on any roof area, including edge and corner zones, must not exceed the allowable wind pressure for the roof covering installed in that particular area. Refer to Tables 3 and The allowable wind uplift pressures listed in Tables 3 and 4 are for the roof covering only. The deck and framing to which the roof covering is attached must be designed for the applicable components and cladding wind loads in accordance with the applicable code. 5.8 When application is over an existing roof, documentation of the wind uplift resistance of the composite roof construction must be submitted to the code official. 5.9 The membranes are manufactured at Cambridge, Ontario, Canada, under a quality control program with inspections by ICC-ES. 6.0 EVIDENCE SUBMITTED Data in accordance with the ICC-ES Acceptance Criteria for Membrane Roof Covering Systems (AC75), dated July IDENTIFICATION Each roll of roofing membrane has a label bearing the IB Roof Systems name and address, the product name, and the evaluation report number (ESR-28). Fasteners are identified by the company name and by the size. Foam plastic must be identified with the manufacturer's name, the surface burning characteristics, and, where applicable, with wording that indicates compliance with IBC Section TABLE 1 FIRE CLASSIFICATION ASSEMBLIES ADHERED ROOFING S ROOF CLASS SUBSTRATE 2 MAX. ROOF SLOPE INSULATION 1,3 BARRIER OR COVER BOARD 4 4 TYPE ADHESIVE 4,5 1 A Noncombustible 1:12 Min. 1-inch-thick to max. 4-inchthick, Firestone Bldg. Products ISO 95+GL or Johns Manville ENRGY A Noncombustible 1 1 / 2 :12 Min. 1-inch-thick to max. 4-inchthick, Atlas Roofing ACFoam-II or ACFoam-III A Noncombustible 1:12 to max. 4-inchthick, Atlas Roofing ACFoam-II, Johns Manville ENRGY 3, Rmax Multi-Max FA-3 or Co. HY-THERM AP, mechanically fastened to deck --- or IB Vertibond 4 A Noncombustible 1:12 to max. 4-inchthick, Atlas Roofing ACFoam-II, Johns Manville ENRGY 3, Rmax Multi-Max FA-3 or Co. HY-THERM AP, 1 / 4 -inch-thick DensDeck, mechanically fastened through to deck or IB Vertibond 5 A Noncombustible 1: or IB Vertibond 1 All foam plastic must be UL-classified foam plastic for roofing systems, and must be limited to the maximum thickness noted in Section 5.4 of this report. 2 deck must be minimum No. 22 gage galvanized steel [0.030 inch (0.76 mm)]. must have a minimum compressive strength (f c ) of 2500 psi. 3 Polyisocyanurate must comply with ASTM C1289. Expanded (EPS) must comply with ASTM C Barrier or cover boards, membranes and adhesives must be UL-classified for roofing systems. 5 to be applied at a rate of ft 2 per gallon (300 5 ft 2 per 3-gallon pail). 6 IB Vertibond to be applied at a rate of 60 ft 2 per gallon.

5 ESR-28 Most Widely Accepted and Trusted Page 4 of 8 TABLE 2 FIRE CLASSIFICATION ASSEMBLIES MECHANICALLY FASTENED ROOFING S ROOF CLASS SUBSTRATE 2 MAX. ROOF SLOPE INSULATION 1,3 SLIP SHEET 4 TYPE 4 1 A Noncombustible 3:12 2 A Noncombustible 2:12 Min. 1-inch-thick to max. 4-inch-thick, Any UL-classified, mechanically fastened to deck. Min. 1-inch-thick to max. 4-inch-thick, Johns Manville ENRGY 3, FA-3 or Firestone Bldg. Products ISO 95+GL A Noncombustible 2 1 / 2 :12 4 A Noncombustible 2:12 5 B Noncombustible 2:12 6 A Noncombustible 2:12 Min. 1-inch-thick to max. 4-inch thick, Atlas Roofing ACFoam-II or ACFoam-III to max. 4-inch-thick, Atlas Roofing ACFoam-II, FA-3 or Co. HY-THERM AP, mechanically fastened per FM preliminary fastening requirements to max. 4-inch-thick, Johns Manville ENRGY 3, mechanically fastened per --- FM preliminary fastening requirements 5 Min. 1-inch-thick to max. 4-inch-thick, Atlas Roofing ACFoam-II or Johns Manville ENRGY 3, or min. 1.3-inch-thick to max. 4-inch-thick, Atlas Roofing ACFoam-III, mechanically fastened per FM preliminary fastening requirements 5 7 A Combustible 1 1 / 2 : A Combustible Unlimited Two layers of IB Fire Sheet FR-50 Three layers of IB Fire Sheet FR-10 1 All foam plastic must be UL-classified foam plastic for roofing systems, and must be limited to the maximum thickness noted in Section 5.4 of this report. 2 Wood deck must be minimum 15 / 32 -inch-thick (11.9 mm) plywood. deck must be minimum No. 22 gage galvanized steel [0.030 inch (0.76 mm)]. must have a minimum compressive strength (f c ) of 2500 psi. 3 Polyisocyanurate must comply with ASTM C1289. Expanded (EPS) must comply with ASTM C Slip sheets, membranes and adhesives must be UL-classified for roofing systems. 5 FM preliminary fastening requirements to consist of IB #12 standard fastener (for steel substrate) or IB CD-10 fastener (for concrete substrate) with IB 3-inch plate at 1 fastener per 8 ft 2. TABLE 3 WIND RESISTANCE ADHERED ROOFING S W-1 Wood W-2 Wood INSULATION BASE LAYER OR BARRIER BOARD INSULATION TOP LAYER OR COVER BOARD Type 1,2 Attachment 1,4 Type 1 Attachment 1,4 Type Attachment 1 Min. 1.5-inchthick Rmax Multi- Max FA-3, Atlas, 1 / 4 -inch-thick 1 / 2 -inch-thick SECUROCK Gypsum-Fiber Roof Board Any or barrier board or --- Min. FA- 3, Atlas, 1 / 4 -inch-thick 1 / 2 -inch-thick Min. FA- 3, Atlas or 1 / 2 -inch-thick or IB #12 Standard Fastener with IB 3-inch Galvalume 1.6 ft 2 per fastener or Single-Ply Fleece or Single-Ply Fleece ALLOWABLE WIND UPLIFT

6 ESR-28 Most Widely Accepted and Trusted Page 5 of 8 TABLE 3 WIND RESISTANCE ADHERED ROOFING S (Continued) W-3 Wood W-4 Wood S-1 S-2 C-1 C-2 C-3 C-4 C-5 C-5A C-5B INSULATION BASE LAYER OR BARRIER BOARD INSULATION TOP LAYER OR COVER BOARD Type 1,2 Attachment 1,4 Type 1 Attachment 1,4 Type Attachment 1 DensDeck FA-3, Atlas, Johns Manville ENRGY 3 or HY-THERM AP to max. 4-inchthick, Rmax Multi- Max FA-3, Atlas, Johns Manville ENRGY 3 or HY-THERM AP to max. 4-inchthick, Rmax Multi- Max FA-3, Atlas, Johns Manville ENRGY 3 or HY-THERM AP to max. 4-inchthick, InsulFoam IX Min. to max. 4-inch-thick, Rmax Multi-Max FA-3 2-inch-thick Min. to max. 4-inch-thick, Atlas or UL-classified Mechanically fastened per FM preliminary fastening requirements 5 Mechanically fastened per FM preliminary fastening requirements 5 OMG #12 Standard or #14 Heavy-duty Fastener, with OMG 3-inch Galvalume 2 ft 2 per fastener Mechanically fastened per FM preliminary fastening requirements 5 Insta-Stik Roofing Insta-Stik Roofing Hot asphalt 6 inches o.c. 12 inches o.c. FA- 3, Atlas, Johns Manville ENRGY 3 or HY- THERM AP DensDeck OMG #12 Standard or #14 Heavy-duty Fastener, with OMG 3-inch Galvalume 2 ft 2 per fastener OMG #12 Standard or #14 Heavy-duty Fastener, with OMG 3-inch Galvalume 2 ft 2 per fastener DensDeck OMG #12 Standard or #14 Heavy-duty Fastener, with OMG 3-inch Galvalume 2 ft 2 per fastener Insta-Stik Roofing Insta-Stik Roofing Hot asphalt 6 inches o.c., 12 inches o.c., ALLOWABLE WIND UPLIFT

7 ESR-28 Most Widely Accepted and Trusted Page 6 of 8 TABLE 3 WIND RESISTANCE ADHERED ROOFING S (Continued) C-6 C-7 C-8 C-9 C-10 C-10A C-11 INSULATION BASE LAYER OR BARRIER BOARD INSULATION TOP LAYER OR COVER BOARD Type 1,2 Attachment 1,4 Type 1 Attachment 1,4 Type Attachment 1 Min. 1.5-inchthick to max. 4-inch-thick, Atlas Min. 1.5-inchthick to max. 4-inch-thick, adhesive or 12 inches o.c.; subsequent layer Hot asphalt, or 3M CR-20, or ADCO Millennium One- Step Foamable Hot asphalt, or 3M CR-20 6 inches o.c. ADCO Millennium One-Step Foamable or Hot asphalt, Polyfoam Products Tite-Set Insulation or 6 inches o.c., ADCO Millennium One-Step Foamable C C LC-1 LC-2 LC-3 12 inches o.c. 6 inches o.c. 6 inches o.c. or ; subsequent layer 12 inches o.c., 6 inches o.c., Fleece ALLOWABLE WIND UPLIFT

8 LC-4 LC-5 LC-6 LC-7 LC-8 CWF-1 CWF-2 ESR-28 Most Widely Accepted and Trusted Page 7 of 8 Tectum 1 cementitious wood fiber Tectum 1 cementitious wood fiber TABLE 3 WIND RESISTANCE ADHERED ROOFING S (Continued) INSULATION BASE LAYER OR BARRIER BOARD INSULATION TOP LAYER OR COVER BOARD Type 1,2 Attachment 1,4 Type 1 Attachment 1,4 Type Attachment 1 6 inches o.c. or or 6 inches o.c.,, or or FA-3, Atlas or ACFoam III, Firestone ISO95+GL, Hunter Panels H- Shield or Johns Manville ENRGY 3 or or ALLOWABLE WIND UPLIFT For SI: 1 inch = 25.4 mm; 1 ft. = m; 1 psf = Pa; 1 gal = L. 1 Insulation, adhesives and fasteners must be FM-approved or Trinity/ERD-approved. 2 All foam plastic must be limited to the maximum thickness in accordance with Section 5.4 of this report or the maximum thickness in accordance with this table, whichever is less. 3 Wood deck must be minimum 15 / 32 -inch-thick (11.9 mm) plywood. deck must be minimum No. 22 gage galvanized steel [0.030 inch (0.76 mm)]. must have a minimum compressive strength (f c ) of 2500 psi, unless otherwise noted. See Section 5.7 of this report. 4 Application rate for the following adhesives are as follows: Hot asphalt 25 lbs. per 100 ft 2 in continuous 1 / 2 -inch beads spaced 6 inches or 12 inches o.c. as noted in tables. Company Insta-Stick Roofing in continuous 3 / 4 to 1-inch beads spaced 12 inches o.c. ADCO Millennium One Step Foamable in continuous 3 / 4 to 1-inch ribbons spaced 12 inches o.c. in continuous 3 / 4 to 1-inch ribbons spaced 12 inches o.c. or Roofing in continuous 3 to 3 1 / 2 -inch ribbons spaced 12 inches o.c. 5 M preliminary fastening requirements to consist of 1 fastener per 8 ft

9 ESR-28 Most Widely Accepted and Trusted Page 8 of 8 MW-1 MW-2 MW-3 MW-4 MS-1 MS-2 MS-3 MS-4 MS-5 MC-1 MC-2 Wood Wood Wood Wood TABLE 4 WIND RESISTANCE MECHANICALLY FASTENED ROOFING S INSULATION ALLOWABLE WIND Type 1,2 Attachment 1 Type Attachment 1,4 UPLIFT Min. 1-inch-thick Min. 1-inch-thick Min. 1-inch-thick to max. 4-inch-thick, Rmax Multi- Max FA-3, Atlas Roofing Corp., Dow Chemical Co. Hy-Therm AP or Johns Manville ENRGY 3 Min. 1.3-inch-thick Min. Min. Min. Min. 1-inch-thick Atlas or Johns Manville ENRGY 3 or min. 1.3-inch-thick Atlas ACFoam III Min. 1-inch-thick Atlas or Johns Manville ENRGY 3 or min. 1.3-inch-thick Atlas ACFoam III IB 3-inch Insulation Plate at 1 fastener per 8 ft 2 For SI: 1 inch = 25.4 mm; 1 ft. = m; 1 psf = Pa; 1 gal = L. 1 fastener per 5.3 ft 2 1 fastener per 8 ft 2 1 fastener per 8 ft 2 1 fastener per 8 ft 2 Single-Ply Fleece 1 fastener per 8 ft 2 1 fastener per 8 ft 2 1 fastener per 8 ft 2 1 fastener per 8 ft 2 IB CD-10 Fastener with 1 fastener per 8 ft 2 IB CD-10 Fastener with 1 fastener per 8 ft 2 IB #14 Heavy Duty Fasteners with 2-inch Barbed Seam Plates, 12 inches o.c. along min. in rows 5 ft-7 inches o.c. IB #14 Heavy Duty Fasteners with 2-inch Barbed Seam Plates, 6 inches o.c. along min. in rows 5 ft-7 inches o.c. IB #14 Heavy Duty Fasteners with 2-inch Barbed Seam Plates, 4 inches o.c. along min. in rows 5 ft-7 inches o.c. IB #14 Heavy Duty Fasteners with 2-inch Barbed Seam Plates, 3 inches o.c. along min. in rows 5 ft-7 inches o.c. OMG XHD Fasteners with OMG Barbed Seam Plates, 18 inches o.c. along min. in rows 5 ft-6 1 / 2 inches o.c. OMG XHD Fasteners with OMG Barbed Seam Plates or Dekfast #15 HS Fasteners with Dekfast 2 1 / 2 inches HS Membrane Plates, 12 inches o.c. along min. in rows, 5 ft-7 inches o.c. OMG XHD Fasteners with OMG Barbed Seam Plates or Dekfast #15 HS Fasteners with Dekfast 2 1 / 2 inches HS Membrane Plates, 6 inches o.c. along min. in rows, 5 ft-7 inches o.c. OMG XHD Fasteners, 6 inches o.c. along OMG Polymer Batten Bar, installed 8 ft. o.c. OMG XHD Fasteners, 6 inches o.c. along OMG Metal Batten Bar, installed 8 ft. o.c. OMG CD-10 Fasteners with OMG XHD Seam Plates or Dekfast #15 HS Fasteners or Dekspike Fasteners with Dekfast 2 1 / 2 -inch HS Membrane Plates, 12 inches o.c. along min. in rows, 5 ft-7 inches o.c. OMG CD-10 Fasteners with OMG XHD Seam Plates or Dekfast #15 HS Fasteners or Dekspike Fasteners with Dekfast 2 1 / 2 -inch HS Membrane Plates, 6 inches o.c. along min. in rows, 5 ft-7 inches o.c. 1 Insulation and fasteners must be FM-approved. 2 All foam plastic must be limited to the maximum thickness in accordance with Section 5.4 of this report or the maximum thickness in accordance with this table, whichever is less. 3 Wood deck must be minimum 15 / 32 -inch-thick (11.9 mm) plywood. deck must be minimum No. 22 gage galvanized steel [0.030 inch (0.76 mm)]. must have a minimum compressive strength (f c ) of 2500 psi, unless otherwise noted. See Section 5.7 of this report. 4 Fastener row spaces shown are for field of roof only. See Section for recognized edge securement systems for mechanically fastened roof assemblies. The maximum allowable load for IB 3 Drip Edge PVC Clad Metal System is 329 plf (490 kg/m). The maximum allowable load for IB 3 3 / 4 -inch Gravel Stop PVC Clad Metal System is 356 plf (530 kg/m). Distance between the edge of the roof and the first row of fasteners must be determined accordingly