Archidply Industries Ltd. Manufactures Durable Waterproof Block Board. Archidply Industries Ltd. Is certified ISO 9001: 2000 for quality management systems. Durable Waterproof Block Board is bonded with Phenol Formaldehyde Resin, pressed at high temperature and pressure. It ensures optimum strength and durability to the block board. This board is made from seasoned solid wood cores placed horizontally and is covered with face veneers. The board is seasoned to moisture content and chemically treated to resist it from wood destroying organisms. Archidply Industries Ltd. Durable Waterproof Block Board finds applications in furniture, partitions, racks or shelves, shutters and under layer for decorative laminates. Standard thickness of this plywood is 16, 19, 25 mm and they are available in standard sizes of 8x4, 8x3, 7x4, 7x3, 6x4, 6x3, 6x3 feet.