... and soundproof. 3. Type: 13/3, 14/2, 28/4, 59/5 or made on your kindly request. 4. Specification: L2440mm*W128mm ... *H15mm, L2440mm*W128mm*H18mm, or made on your kindly request. 5. Thickness: 12/15/18mm 6. Tolerance: Width is 0.1mm ... moisture-proof board to ensure moisture-proof performance of products. 5. Security commitments: Highest wood fire-proof level B1. This is ...