Natural stone countertops protected by Innovative Stone™'s PermaShield® technology have received GREENGUARD® certification and GREENGUARD® Children & Schools Standards certification. These certifications state, "PermaShield®-protected natural stones from Innovative Stone™ meet the air quality standards set by GREENGUARD® Environmental Institute (GEI) for indoor air quality." In addition to achieving the NSF® Certification, Innovative Stone™ is proud to offer the first 100% natural stone that has been certified by GREENGUARD® Environmental Institute.

The key to this accomplishment is the fact that natural stones protected by PermaShield® are considered by GREENGUARD® to be safe materials to be used for residential and commercial projects, including schools and universities where extensive time is spent indoors. The GEI is an industry-independent, non-profit organization that oversees the GREENGUARD® Certification Program. The mission is to improve public health and quality of life through programs that increase indoor air quality.

Indoor air quality is a growing concern among consumers who are demanding healthy, low-emitting products and materials in their homes, workplaces, schools and hospitals. However, the standards may differ from one region to the next, making it challenging to identify the best resources or direction. The GEI offers a stringent worldwide standard that provides a reliable baseline for indoor air quality. The GEI has established performance-based standards to define goods with low chemical and particle emissions for use indoors. The GREENGUARD® standard establishes certification procedures, including test methods, allowable emissions levels and product sample collection and handling to ensure accurate results.