There are generally the following types of partition walls: light brick, glass brick, glass, wood, gypsum board, etc. Of course, low walls, cabinets, goldfish bowls and screens can also be used as partitions. The material of partition wall must consider many factors such as fire prevention, moisture resistance and high strength. Common lightweight walls mainly use the following materials: 1, lightweight brick. The materials of light bricks are mostly industrial wastes or scraps, such as waste residue from industrial factories and mines, fly ash discharged from power plants and boilers, etc. Light brick belongs to waste utilization, saving resources. Lightweight bricks are light, durable, not easy to deform, and can be nailed at a reasonable price. Generally, each brick is 2.8-3.0 yuan, but it is troublesome to disassemble and inconvenient to transport and carry. 2. Precast partition board. Gypsum, sand ash and other materials are mostly used, which are made directly in the factory and spliced in the construction site, which has the characteristics of firmness and durability. After the main structure of the building is completed, prefabricated partition boards are often used to separate the indoor pattern. Prefabricated partition board is bulky, its specifications are fixed and it can't be cut, so it is rarely used in the later decoration process. 3. Gypsum keel. After the framework is laid with keel, it is closed with gypsum board, which is gypsum keel. Keels are divided into wooden keels and light steel keels. Wooden keel is generally made of various specifications of pine, and can also be processed. The specification of light steel keel is relatively fixed, the thickness is generally only 75 mm, and gypsum keel is the lightest, which is easy to disassemble and assemble, but the sound insulation effect is poor. 4. Glass brick is also called hollow glass brick: two pieces of glass are bonded together by burning and melting. During construction, cement is mixed with glass glue, and the side seam is sealed. Glass brick has good sound insulation effect and can meet the requirements of lighting. They are colorful and beautiful, but the cost is very high, generally more than 20 yuan each, and they will not be used in the later decoration process.