... 3000/4000*620/650/720/900/960*30/40mm. Thickness/Lamella Width: 15,18, 20, 22, 25, 28, 30 ... , 40, 45, 48mm. Random length of Stave:150-500mm.(3.) Moisture Rate: 8%-12%. Sanding: ... ) without open gluelines. (4.)Finger Joints: Quality of joints between lamellae will totally exclude breakout, gaps, ... and other building material. Finger Joined Boards of pine,china fir,paulownia,Oak,Ash,walnut etc