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The purpose of the GREENGUARD Environmental Institute (GEI) is to protect human health and improve the quality of life, improving the quality of indoor air and reducing people's exposure to chemical agents and other polluting substances.

GEI certifies products and materials with low chemical emissions and provides a resource for the choice of healthier products and materials for interior environments. All of the products certified must satisfy rigorous standards of chemical emissions on the basis of criteria established by the most important public health agencies. The GREENGUARD certification is widely recognised and accepted by sustainable construction programmes and by building regulations, on the world level.





To learn more on the standard Greenguard and Greenguard Gold.


NSF International is an independent non-profit, non government organisation, which is a global leader in offering solutions for risk management, based on public health and safety and in respect of the interests of all parties involved.

For the Quartz based product, Quarella has the NSF/ANSI 51 Standard, which is applicable to materials and linings used in the manufacture of objects that come into contact with foods.

To learn more about the NSF International Standards for the food industry

The products in the Quartz Living serie are certified according to the NSF standards.