Tongue & Groove plywood flooring is available in 2400 & 2700 mm long  X 1200 mm wide sheet sizes. These sheets are stress graded to a minimum F11 and manufactured to Australian standard AS/NZS2269, they can also be H3 LOSP treaded for longer lasting outdoor use.  Flooring sheets come with a plastic tongue on one long edge and a groove in the other for easy installation and to add strength to the join.