Nsfs 347 2021 _best_

The 2021 revision was driven by three major industry needs:

Look for the on packaging or the manufacturer’s spec sheet. The mark will include the standard number (347) and year (2021 if updated). You can also search the NSF Certified Sustainable database online.

As the building envelope industry emphasizes data-driven sustainability, understanding this standard is essential for specifiers looking to optimize building performance and earn green building credits. What is NSF/ANSI 347? nsfs 347 2021

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The standard uses a multi-attribute point system to assess products in five key areas: Product Design (42 points): The 2021 revision was driven by three major

The NSF/ANSI 347 Sustainability Assessment provides a clear framework for specifiers to identify high-performing, eco-friendly products.

Incentivizing "take-back" programs and recycling initiatives to prevent old roofing membranes from ending up in landfills. Industry Impact and Transparency in collaboration with industry stakeholders

: Implementation of formal corporate frameworks such as ISO 14001. 3. Membrane Durability (40 Maximum Points)

Developed through NSF International , in collaboration with industry stakeholders, the NSF/ANSI 347 standard is designed to assess the sustainability profile of single-ply membranes. These include (Ethylene Propylene Diene Terpolymer), PVC (Polyvinyl Chloride), TPO (Thermoplastic Polyolefin), KEE (Ketone Ethylene Ester), and PIB (Polyisobutylene).

Assesses the manufacturer’s sustainability policies and transparency.

To earn NSF certification under the 2021 edition, a gasket must pass four battery tests: