The block board is a compound wood board that is made by placing strips of wood sandwiched between sheets of hardwood veneer, which is then glued.
It is generally lighter in weight as compared to plywood. 
Our blockboard comes in sizes 4′ x 8′.
Available in White PVC, both one and two sided
Size 3mm 3.6mm 5.2mm 9mm 12mm 15mm 18mm 25mm
4' x 8' (1220mm x 2440mm) X X X X X X