NSF/ANSI 347 Single Ply Roofing Membranes

NSF/ANSI 347, Sustainability Assessment for Single Ply Roofing Membranes, is the first standard for evaluating and certifying sustainable attributes of single-ply roofing membranes over their entire life cycle.

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NSF/ANSI 347, Sustainability Assessment for Single Ply Roofing Membranes, is the first standard for evaluating and certifying sustainable attributes of single-ply roofing membranes over their entire life cycle.

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