Building Products and Furnishings

Certifying sustainable building products and furnishings helps to become a vendor to the U.S. government and gain LEED certification credits.

NSF's sustainability standards for building products and furnishings cover multiple attributes and the entire product life cycle.

Certification levels (silver, gold and platinum) are earned by meeting criteria for materials, the manufacturing process, a company’s social accountability or governance policies, and end-of-product-life management.

Commercial Furniture

Level 3 certified by NSF mark

LEVEL® certification provides a clear and simple way to identify sustainable and responsibly produced commercial furniture. Specifiers looking for responsible materials can compare LEVEL-certified products easily and choose them with confidence.

Developed by BIFMA, LEVEL provides the most comprehensive, unbiased and transparent means of evaluating and communicating the environmental and social impacts of furniture products through three performance tiers: LEVEL 1, 2 and 3.

The LEVEL mark attests that the product, manufacturing facility and company have met multi-attribute criteria of the ANSI/BIFMA e3 Furniture Sustainability Standard, as audited by NSF.

Certification can also earn LEED credits, and this standard is included in the U.S. EPA’s federal purchasing recommendations, which help government purchasers identify and procure environmentally sustainable products.

Sustainable Stone and NSC Chain of Custody

ANSI/NSC 373: Sustainable Production of Natural Dimension Stone establishes criteria for quarriers and processors to measure their products' sustainability. Developed by the Natural Stone Council (NSC) in association with Ecoform and NSF International, the standard uses a life cycle approach.

NSF International is the NSC’s independent certification body, and provides certified companies access to the Genuine Stone® mark for use in promotional materials and on blocks, slabs and finished pieces.

The standard uses a point-based system with criteria in nine categories: energy, water, transportation, site management, land reclamation/adaptive reuse, process material and waste management, corporate governance, safer chemical and materials management, and human health and safety. Each facility operator meeting all prerequisite criteria can earn bronze certification. Silver, gold and platinum require meeting additional optional criteria.

A companion chain of custody standard (NSC COC) tracks the material as it moves from the quarry through the supply chain to the ultimate destination, including the job site or the end user.

The Natural Stone Council explains the reasons for developing the standard and the benefits of certification.

Commercial Carpet

NSF/ANSI 140: Sustainability Assessment for Carpet is the industry-leading standard for certifying commercial carpet products across their entire life cycle. Certification enables becoming a vendor for the U.S. government, as the General Services Administration requires its broadloom and carpet tile to be certified to NSF/ANSI 140 at the gold level. Certification can also earn LEED credits, and this standard is included in the U.S. EPA’s federal purchasing recommendations, which help government purchasers identify and procure environmentally sustainable products.

Certification is based on an easy-to-use points system to achieve a silver, gold or platinum level by meeting performance criteria in six key areas: public health and environment, energy and energy efficiency, biobased, recycled content and environmentally preferable materials, manufacturing, reclamation and end-of-life management, and innovation.


NSF/ANSI 342: Sustainability Assessment for Wallcovering Products certifies wallcovering products across their entire life cycle and covers materials such as textiles, vinyl, alternative polymer (or vinyl- or alternative polymer-coated), paper and other natural fiber products.

Certification is based on point values for meeting prerequisite requirements and elective criteria in six key areas: product design, manufacturing, long-term value, end-of-life management, corporate governance and innovation. Points earned by both the manufacturer and distributor determine the certification level as conformant, silver, gold or platinum.

Manufacturers that are members of the Wallcoverings Association can use the WA NSF 342 mark on their products and in advertising.

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