2021: Nsfs 347

Rewards for exceptional sustainability advancements beyond standard requirements. 3. Certification Levels

Specifically incentivizes the recycling of post-consumer roofing materials to divert them from landfills. Certification Levels nsfs 347 2021

NSF/ANSI 347 is the American National Standard for Sustainability Assessment for Single-Ply Roofing Membranes . It provides a standardized set of criteria for evaluating the environmental and social impacts of single-ply roofing products throughout their life cycle. supply chain transparency

NSF/ANSI 347 (published 2021) is a voluntary sustainability standard and third‑party certification protocol for single‑ply roofing membranes. It sets criteria across material health, product efficiency, manufacturing, supply chain transparency, and end‑of‑life to help roof membrane manufacturers demonstrate reduced environmental and social impacts and support sustainable building rating systems. nsfs 347 2021