Characteristics: Wood: China fir Structure: three crosswise glued layers with a perimetrical frame in the middle layer shuttering panels are protected with hot pressed melamine pitch, edges are protected with high quality acrylic paints.The moisture content is less than 13%. Standard dimensions: thickness: 21, 27, 30, 40 mm width: 500 mm length: 1000, 1500, 2000, 2500, 3000 mm