The durock brand next gen 5 ft. x 3 ft. Cement board is a water-durable, mold-resistant panel for use under tile and other finishes in a variety of interior and exterior applications. This next generation of durock cement board offers improved performance and productivity than its predecessor, installing 20% faster while weighing 25% less. Equally suitable for both wood and steel framing applications spaced 16 in. o.c. in new construction and remodeling, durock cement board next gen is ideal for use in partitions, walls, floors, soffits, countertops, and ceilings in wet or dry areas. The board is non-combustible and can be used in a variety of fire-rated designs. Its low thermaland hygrometric expansion help prevent finish cracking.