BORAL. This company’s Country Ledgestone cultured stone veneer is the first NAHB Green Approved stone product and the industry’s only Greenguard Children & Schools-certified masonry veneer, according to the manufacturer. Made with 54% pre-consumer recycled content, it can help contribute to LEED requirements, and its durability is covered by a 50-year limited warranty. This product was also ranked No. 1 by Builder magazine for usage, quality, and brand recognition. 866.557.8663. www.boralna.com.