A roofing membrane cannot be sustainable if it fails early and must be replaced prematurely. This category heavily penalizes short-lived solutions by verifying:
NSFS 347 plays a vital role in the plumbing and construction industry for several reasons:
The standard explicitly metallic gaskets (e.g., spiral wound, ring joint) and gaskets used outside of water/wastewater infrastructure (e.g., chemical plants, oil & gas). nsfs 347 2021
: Covers various single-ply roofing materials, evaluating them across several product life-cycle stages. Certification Levels
The NSF/ANSI 347 standard is the first of its kind to address the specifically through roofing membranes. It was developed through a consensus-based process involving manufacturers, government agencies, and environmental NGOs to harmonize sustainability claims in the roofing industry. Scope of the Standard A roofing membrane cannot be sustainable if it
This standard evaluates the entire life cycle of single-ply roofing membranes, helping architects, contractors, and building owners choose products that are environmentally responsible, durable, and sustainable. What is NSF/ANSI 347?
Failure in any one test requires a 6-month waiting period before reapplication. Certification Levels The NSF/ANSI 347 standard is the
Here’s everything you need to know about this quietly powerful standard.
As the commercial construction industry pivots toward greener, more resilient building practices, the demand for verified sustainable materials has grown exponentially. For architects, contractors, and building owners looking to reduce their environmental footprint, single-ply roofing systems are a critical component of the building envelope.
If a product was certified under an earlier version, manufacturers had until mid-2023 to recertify to the 2021 criteria.