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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 © 2026 ICC Evaluation Service, LLC. All rights reserved. Page 13 of 14 ICC-ES Evaluation Report ESR-1475 CA Supplement w/ Exterior Wildfire Exposure Reissued October 2025 Revised February 2026 This report is subject to renewal October 2027. www.icc-es.org | (800) 423-6587 | (562) 699-0543 A Subsidiary of the International Code Council ® DIVISION: 07 00 00—THERMAL AND MOISTURE PROTECTION Section: 07 31 13—Asphalt Shingles REPORT HOLDER: GAF EVALUATION SUBJECT: GAF SHINGLE ROOF COVERING SYSTEMS 1.0 REPORT PURPOSE AND SCOPE Purpose: The purpose of this evaluation report supplement is to indicate that GAF shingle roof covering systems, described in ICC-ES evaluation report ESR-1475, has also been evaluated for compliance with the codes noted below. Applicable code editions:  2025 California Building Code® (CBC) For evaluation of applicable chapters adopted by the California Office of Statewide Health Planning and Development (OSHPD) AKA: California Department of Health Care Access and Information (HCAI) and the Division of State Architect (DSA), see Sections 2.1.1 and 2.1.2 below.  2025 California Residential Code® (CRC) 2.0 CONCLUSIONS 2.1 CBC: The GAF shingle roof covering systems, described in Sections 2.0 through 7.0 of the evaluation report ESR-1475, comply with CBC Sections 1505.1 and 1507.2, and may be used where the CBC requires a Class A roof covering complying with CBC Section 1505.1.1, a Class B roof covering complying with CBC Section 1505.3, or a Class C roof covering complying with CBC Section 1505.1.2, provided the design and installation are in accordance with the 2024 International Building Code® (IBC) provisions respectively, noted in the evaluation report and the additional requirements of CBC Section 1512, as applicable. The asphalt shingles, when installed as a component of a Class A roof covering, may be used in the construction of new buildings located in any Fire Hazard Severity Zone within a State Responsibility Areas or any Wildland-Urban Interface Fire Area, provided installation is in accordance with the 2024 International Building Code® (IBC) provisions, as applicable, noted in the evaluation report and the additional requirements of Sections 101.3.1, 504.2 and 507.1 of the 2025 California Wildland- Urban Interface Code® (CWUIC). 2.1.1 OSHPD: The applicable OSHPD Sections and Chapters of the CBC are beyond the scope of this supplement. 2.1.2 DSA: The applicable DSA Sections and Chapters of the CBC are beyond the scope of this supplement. 2.2 CRC: The GAF shingle roof covering systems, described in Sections 2.0 through 7.0 of the evaluation report ESR-1475, comply with CRC Sections R902.1 and R905.2, and may be used where the CRC requires a Class A roof cover complying with CRC Section R902.1.1, a Class B roof covering complying with CRC Section R902.3, or a Class C roof covering complying with CRC Section R902.1.2, provided the design and installation are in accordance with the 2024 International Residential Code® (IRC) provisions respectively, noted in the evaluation report and the additional requirements of CRC Section R908, as applicable. The asphalt shingles, when installed as a component of a Class A roof covering, may be used in the construction of new buildings located in any Fire Hazard Severity Zone within a State Responsibility Areas or Wildland–Urban Interface Fire Area,