Dow Solar Earns Multiple Safety, Performance Certifications For Its Powerhouse Solar Shingles: The Dow Chemical Co. said Monday that Dow Powerhouse Solar Shingles have received seven certifications for product performance and safety including three Underwriters Laboratories safety certifications for the solar module, fire, and uplift resistance; building code certification from the International Code Council Evaluation Service; International Electrotechnical Commission performance certification; California Energy Commission List of Eligible Equipment certification; and performance certification of ASTM wind uplift resistance. To achieve numerous Underwriters Laboratories certifications, Dow Solar and UL worked cooperatively to identify and perform a series of tests to assess the safety of the Powerhouse Solar Shingles against building code standards, including wind and fire resistance, and electrical code requirements, such as proper wiring and photovoltaic  connections. Dow’s Powerhouse solar shingle passed numerous UL certifications including: the UL 1703 Third Edition which tests for the National Electrical Code and Model Building Codes; the UL 790 Eighth Edition which tests for fire resistance performance; and the UL 1897 Fifth Edition certification which tests for wind uplift of roofing systems. Additionally, all the necessary CEC and IEC testing was completed at UL’s San Jose PV Lab in California. UL is a global independent safety science company offering expertise across five key strategic businesses: Product Safety, Environment, Life & Health, University and Verification Services. The Powerhouse Solar Shingle has obtained the International Code Council Evaluation Service (ICC-ES) certification thereby complying with the International Building and International Residential Codes. The ICC-ES certification requires the fire classification, wind resistance and weather resistance certifications. ICC-ES is a nonprofit, limited liability company that does technical evaluations of building products, components, methods, and materials. The Powerhouse Solar Shingles also passed the IEC 61646 Second Edition standard requirements for the design of solar modules in open-air climates. The certification confirms the shingles’ ability to withstand prolonged exposure to various climates. The IEC is the world’s leading organization that prepares and publishes International Standards for all electrical, electronic and related technologies. The California Energy Commission Certification also certified the Dow Powerhouse Solar Shingles to be in compliance with the Guidelines for “California’s Solar Electric Incentives Program.” The Dow Powerhouse Solar Shingles are listed as eligible per the California Energy Commission’s Senate Bill 1 (SB1) Guidelines. Finally, the Dow Powerhouse Solar Shingles also passed ASTM International’s D3161-09 standard which tests for wind resistance of asphalt shingles. The POWERHOUSE Solar Shingles passed the standards set for 110 mph winds. ASTM International, formerly known as the American Society for Testing and Materials, is a globally recognized leader in the development and delivery of international voluntary consensus standards.


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