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00 Built Up Bituminous Roofing
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Owens Corning® Asphalt Shingles
www.owenscorning.com4 of 14 Owens Corning® Asphalt Shingles Three-Tab and Laminated Asphalt Roofing Shingles According to ISO 14025 Product System and Model Declared Unit This declaration is a business-to-business (BtoB) EPD, which covers the cradle-to-gate and end-of-life (EoL) life-cycle