... ~35mm Specification:1, hard and glossy surface2, easy to saw , drill , nail 3, can replace plywood , wood 4, never indeformable 5, light ... ,can put it anywhere when install it 2, easy to nail , drill and cut to any size you want 3, the keel ... to keels or supporters 4, enhance iron nail, about 10mm to board edge to nail 5, when form removal, don't be ...