Charlotte, N.C.-based National Gypsum announced its complete line of XP interior gypsum products has achieved GreenGuard Indoor Air Quality Certified status and GreenGuard Children & Schools Certification.

“The XP product family, easily identified by its signature purple color, provides the building and design communities everything they need for innovative, sustainable design in gypsum systems,” said John Mixson, National Gypsum’s director of marketing. “In addition to offering multi-faceted performance in the form of abuse- and impact-resistance and industry-leading mold-resistance, our XP products now have the added benefit of achieving the highest indoor air quality standards.”

The manufacturer’s XP products that have received certification include Gold Bond Hi-Abuse XP, Hi-Impact XP and XP Gypsum Board.

“The GreenGuard Environmental Institute applauds National Gypsum on its continued commitment to furthering our mission of improving indoor air quality,” said Dr. Marilyn Black, Founder of GEI. “Products, such as the XP interior gypsum line, are certified by the GreenGuard Environmental Institute so consumers and members of the building industry alike can be assured that the products which they are buying are healthy for their indoor environments.”