GridMax™ is a patented, snap-on grid cover designed to make grid systems invisible. It is cost effective and doesn’t rust or scratch. GridMax™ is sized to fit over 15/16” T-bar suspension grid systems, with other sizes available by special order. The GridMax DIY box covers 100 sq. ft. is is composed of 28 2′ Tees, 14 4′ Mains, and 12 4′ Edge grid covers.