1. Introduction Wood grain siding board is made of calcium silicate board but with wood appearance, thus making it very good for building cladding. On one hand it is harmless to human body. On the other, it can reduce the use of wood and save a lot of trees. Furthermore, it is durable and good against insects and fire and weather. In a word, It is an ideal substitute for wood. 2. Application Because of its beauty and good performance, wood grain siding board is normally used for overlapping buildings like villa, bungalow, resort and interior decoration for house. It can be painted with various colors and make buildings look grand and shining. 3. Specifications Size (mm) 3000*1200, 3050*200, 2750*200, Thickness (mm) 7.5-9 Water absorption (%) less than 40 Density (g/cm3) 1.2-1.35 Wet Expansion Rate(%) 0.25 Thermal Conductivity (W/m less than 0.3 Bending Strength(MPa) 10-16 Non- combustibility GB 8624-2006 Class A 4. Advantages (1). Durable (2). Fireproof (3). Insect-free (4). Waterproof (5). Energy-saving (6). Easy installation (7). Environment-friendly (8). Anti-sunlight and Weatherproof