A Greener Product Certification Seal demonstrates that a product has been evaluated against the LEED, LEED for Homes and NAHB green building standards using internationally recognized third-party certification organizations, laboratory test results and other supporting documentation.

The U.S. Green Building Council® is committed to a prosperous and sustainable future for our nation through cost-efficient and energy-saving green buildings.

Go Green! Insulate your walls while you add the beauty of stone! NextStone® panels are the Greenest way to rock a wall. Specially formulated rock-faced paneling has a thermal resistance (R value) of 4.5 per inch of thickness. Real stone or cast stone provides no thermal resistance. Add beauty and insulation with NextStone®. Learn More...