Green Squared® Certification Steps View Larger Image Green Squared®—the world’s first multi-attribute certification for tile and tile installation products. Certified by ANSI A138.1 and trusted in major green building programs including LEED, NAHB, and Green Globes. Download PDFCindy Smith2025-05-07T11:12:03-04:00May 7, 2025|Share This ResourceFacebookXLinkedInEmail About the Author: Cindy Smith