Visit www.nsf.org and search their certification directory under “Sustainability – Single-Use Items.”
Integration of life cycle thinking, use of bio-based or recycled content, and elimination of chemicals of concern.
Ensures the material performs over a long operational lifespan across varying climate zones, reducing the frequency of total roof replacements.
Mechanical Couplings for Joining Thermoplastic Pressure Piping Systems Publisher: NSF International Status: Active Standard
With the terminology clarified, let's explore the NSF/ANSI 347 standard in detail, as it's a crucial benchmark for sustainable construction materials.
By setting these tiers, the standard allows architects and building owners to specify roofing materials that meet their specific project goals, whether that's achieving a base level of compliance or pursuing the highest Platinum certification.
The keyword represents the premier international consensus standard for evaluating and certifying the sustainability profile of single-ply roofing membranes throughout their entire product life cycle. Maintained by NSF International and accredited by the American National Standards Institute (ANSI), the 2021 edition of this standard serves as a critical tool for architects, specifiers, and building owners looking to eliminate "greenwashing" and verify legitimate eco-friendly building envelope materials.
The standard is used to certify products as sustainable. It evaluates roofing membranes (such as TPO, PVC, EPDM, and KEE) across several categories, including:
The standard heavily incentivizes membrane durability—82 of the 123 points are related to performance and longevity—ensuring that a sustainable roof is also a long-lasting one.
Another significant aspect of NSF's work is its support for research and innovation. Through funding grants for research projects, the NSF enables scientists and engineers to explore new ideas, conduct experiments, and develop technologies that can lead to breakthroughs in various fields. This support not only contributes to the body of knowledge in specific areas but also has the potential to lead to practical applications that improve people's lives and drive economic growth.