Plywood is an engineered wood manufactured from thin layers or "plies" of wood veneer that are glued together with adjacent layers having their wood grain rotated up to 90 degrees to one another. Our carefully selected FSC® Hardwood Plywood is BB/CC EN636-2S EN314-2 Core Class 3, Face and back Class2 , CE Structural 2+* Ideal uses: General building board - roofing (when covered), flooring, wall lining (structural at thicknesses above 5.5mm), boxing in, cabinets and carcassing, packaging etc