: Extra credit for novel sustainability features not covered in other sections.
Focuses on the service life and resilience of the roofing system. nsfs 347 2021
NSF/ANSI 347 is the American National Standard for Sustainability Assessment for Single-Ply Roofing Membranes . It provides a standardized set of criteria for evaluating the environmental and social impacts of single-ply roofing products throughout their life cycle. : Extra credit for novel sustainability features not
To ensure successful implementation of NSFS 347 2021, food businesses should: food businesses should: