Nsfs 347 2021 |best| -

NSF/ANSI 347-2021 standard represents a critical milestone in the construction industry’s shift toward sustainable infrastructure. Specifically focused on Sustainability Assessment for Single-Ply Roofing Membranes

: Products can achieve different levels of certification (e.g., Bronze, Silver, Gold, Platinum) based on their point scores in specific categories. Evaluation Categories nsfs 347 2021

Compliant:

Manufacturers achieve certification based on their total point score: Minimum 35 points Silver: Minimum 45 points Gold: Minimum 56 points Platinum: Minimum 75 points Durability and product performance

Final Recommendation

123 points

Products are evaluated based on a maximum of across five key areas: Description Product Design Requirements for life cycle inventory (LCI) data for

The 2021 version of NSFS 347 has introduced several changes and updates to the previous version. Some of the key changes include:

Products are assessed based on their performance across five major categories:

  • Durability and product performance
    • Requirements for life cycle inventory (LCI) data for core impacts (e.g., global warming potential).
    • Consideration of embodied carbon and energy across cradle‑to‑gate or cradle‑to‑end‑of‑life depending on scope.