Base plywood Pine, popar, birch or combi plywood Bonding Wbp exterior, Coating Brown phenolic film 120 g/m2 on both sides, alternatively black 220-240 g/m2 on both sides Edge treatment Brown acrylic paint or silver, purple silicon paint against moisture pick up Thicknesses 12, 15, 18, and 21 mm Sizes 1220/1250 x 2440/2500 mm