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The United States NSF green sheet standard single-story roofing standards

Nov 29, 2017

The United States NSF green sheet standard single-story roofing standards Recently, the National Sanitation Foundation 

(NSF) developed the first commercial building green roofing membrane green evaluation criteria - NSF / ANSI 347, single 

roof waterproofing membrane Material sustainability assessment standards. The standard is one of the eight building 

product standards set by NSF and the first product standard for building perimeter structures. Founded in 1944, the 

National Sanitation Foundation (NSF) is an independent, not-for-profit, non-governmental organization. NSF specializes in 

standards development, product testing and certification services in the areas of public health, safety and environmental 

protection and is the authority in the field of public health and safety. NSF's mission is to develop and implement 

management plans in the public health and service, research and education environment. As a reliable, neutral 

organization, NSF provides government, industry, and consumer support services that address issues related to public 

health and the environment. NSF's technical resources include testing equipment and analytical chemistry and microbiology 

laboratories. NSF professionals include engineers, chemists, toxicologists, public health scientists and computer scientists 

with extensive experience in public health, food safety, water quality and the environment. NSF certification issued by the 

American National Standards Institute (ANSI) and the Canadian Standards Commission (SCC) recognized. Single-story 

roofing membrane sustainability assessment criteria From the coil production to the application of the overall consideration,

 the waterproofing membrane is divided into standard, silver, gold and platinum products (Conformant, Silver, Gold, or 

Platinum). Its criteria are based on the following four aspects: product design considerations for the protection of the 

environment; product production to reduce environmental pollution and impact; Durability and reparability of the coil; and 

business management. The standard also takes into account factors that recycle resources, bio-based materials and reduce the use of chemical products.


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