Firewood is the use of siliceous material or calcareous materials as the main raw material , mixed with a certain proportion of fiber material , lightweight aggregate , adhesives and chemical additives , autoclave technology made ​​decorative plates . Is a new material used more and more , not only because of its use of fire safety factors . Construction fire board for pasting glue is relatively high , the price of good quality fire board should be more expensive than the decorative panels . Firewood thickness is generally 0.8mm, 1mm and 1.2mm.