Construction Material or Building materials can be divided into structural materials, decorative materials, and some specialized materials. Structural materials include wood, bamboo, stone, cement, concrete, metal, bricks, ceramics, glass, engineering plastics, composite materials, etc.; decorative materials include various coatings, paints, plating, veneers, tiles of various colors, glass with special effects, etc.; special materials refer to waterproof, moisture-proof, anti-corrosion, fireproof, flame retardant, sound insulation, heat insulation, heat preservation, sealing, etc.