For AEC (Architecture, Engineering, and Construction) professionals, specifying an NSF/ANSI 347 certified roofing membrane offers immediate, practical advantages:
Awards points for performance in varying climate zones and historical service life; up to 10 points are available for membranes with 30+ years of documented field performance. Corporate Governance (7 points):
Demonstrates clear progression in waste diversion and energy reduction. nsfs 347 2021
The represents the premier, consensus-based standard for evaluating the full environmental and social impact of these materials.
Developed by NSF International in collaboration with stakeholders (brands, recyclers, labs, and NGOs), this standard isn’t just about “green” claims. It’s a . The following table details the core components of
NSF/ANSI 347 takes a holistic approach, evaluating products across five crucial categories. The following table details the core components of its assessment:
NSF/ANSI 347 is the first American National Standard developed specifically for evaluating and certifying the sustainable attributes of single-ply roofing membranes over their entire life cycle. Unlike generic "green" claims, this standard provides a comprehensive, third-party verified framework for assessing a product's environmental impact from design and manufacturing to installation and end-of-life. this standard provides a comprehensive
A product's performance against the standard's criteria determines its certification level. NSF/ANSI 347 uses a point-based system to achieve one of four ratings, with Platinum being the highest:
Understanding NSF/ANSI 347-2021: The Gold Standard for Sustainable Roofing
: The tension eventually shifts from conflict to an illicit relationship, which is the primary focus of the production.
As the building industry moves toward net-zero goals, the focus on sustainable materials is becoming paramount. The NSF/ANSI 347 standard provides a reliable, rigorous framework for assessing the true environmental impact of roofing materials. By specifying products that meet this standard, professionals can ensure their projects are durable, environmentally sound, and aligned with modern green building standards.