NSF/ANSI 347-2021 is the current American National Standard for evaluating and certifying the sustainability of single-ply roofing membranes across their entire life cycle. Core Evaluation Categories
NSF/ANSI 347: Sustainability for Single-Use Food Service Items (2021 edition)
To provide you with a helpful and accurate blog post, I will assume you meant , as that is the closest active standard. nsfs 347 2021
Standardized product documentation, verified sustainability claims, and use of program marks.
