Plywood / Soft fiber boards / OSB Industrial Plywood BB/CC E1 Exterior 233 x 122 cm 4 mm – 25,0 mm Construction Plywood Film / Film laminated 4 mm – 21 mm Construction Plywood – E.Pine C+C, WBP 250 x 125 and 244 x 122 cm 9 mm – 30 mm