Nsfs 347 2021 May 2026

The 2021 date likely corresponds to the updated publishing cycle of this standard, which provides a comprehensive framework for manufacturers to verify their environmental claims. Core Framework of NSF/ANSI 347

Products are awarded one of four tiered ratings based on their total point score: Minimum 35 points Silver: Minimum 45 points Gold: Minimum 56 points nsfs 347 2021

Incentivizing "take-back" programs and recycling initiatives to prevent old roofing membranes from ending up in landfills. Industry Impact and Transparency The 2021 date likely corresponds to the updated