This declaration is an industry-average, Type III Environmental Product Declaration (EPD) by the Polyisocyanurate Insulation Manufacturers Association (PIMA) conducted in accordance with ISO 14025. The products presented in this EPD are representative for the product range for all PIMA member manufacturers identified in this study.
This document is based on the Life Cycle Assessment (LCA) study developed for PIMA by Long Trail Sustainability in accordance with industry accepted standards: Product Category Rules for Building-Related Products and Services
The study covers 36 polyiso manufacturing facilities in the United States and Canada. Each facility’s annual electricity use, natural gas use, water use and wastewater, polyiso packaging (shrink wrap), and solid waste data were divided by its annual production in board-feet (BF). Facility details such as location (to specify grid mix) and facility emissions handling were also included in the calculation. Finally, a production-weighted average across all manufacturing facilities was created to represent the industry average manufacturing of polyiso.
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