The Lumin Eucalyptus Plywood Overlay - 1220 x 2440 is harvested from fast-growing eucalyptus trees, so it's an ideal and sustainable solution for everything from construction and cabinetry to transportation and toys. Lumin panels feature proprietary-grade faces developed from TECO and IHPA . This plywood can be used in general construction, cabinetry/shelving, transportation, underlayment, factory & warehouse floors, door & door surfaces and furniture & packaging. The face is 100 grit sanded allowing unlimited wood and synthetic patching and an unlimited number of repaired splits. he back is 50 grit sanded, allowing unlimited open defects and knotholes up to 38mm (1.5") and open splits up to 25mm wide of unlimited length. This plywood is EU/FSC certified.