Green standard set for single-ply roofing membrane

06/7/2012 | BuildingGreen.com

A sustainability standard has been established for single-ply roofing membranes installed on commercial buildings. The NSF/ANSI 347, or "Sustainability Assessment for Single Ply Roofing Membranes," will use four criteria to determine the roofing material's impact on the environment. These will be used to assign Conformant, Silver, Gold or Platinum certification to the roofing membrane.

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