Fireproof fiber cement board is a building material that is designed to resist fire and high temperatures. It is made by mixing cement, sand, and cellulose fibers, and then compressing the mixture into a dense board. Fireproof fiber cement boards are used in a variety of construction applications where fire resistance is required, such as wall and ceiling panels, fire doors, fire-rated ductwork, and fireproof barriers. They are also used in industrial settings where high temperatures are present, such as in kilns or furnaces. The fire resistance of fiber cement board is due to the non-combustible nature of its ingredients. When exposed to fire, the cement in the board releases water molecules, which help to prevent the spread of flames. Additionally, the cellulose fibers in the board can char, which creates a protective layer that helps to slow down the fire. Fireproof fiber cement board is a popular choice in construction because it not only provides fire resistance, but also has other benefits such as durability, weather resistance, and sound insulation. It can be easily cut and installed like other types of building materials and is available in various thicknesses and sizes to suit different applications.