Waterproof Backing Board is a durable and moisture-resistant construction material designed for use in wet areas such as bathrooms, kitchens, and laundry rooms. Made from high-strength cement or fiber-reinforced composites, it provides a stable and mold-resistant surface for tiling, painting, or wall finishing. Its excellent waterproof performance prevents water penetration and structural damage, ensuring long-term stability and safety. Ideal for residential and commercial applications, the waterproof backing board is easy to install, lightweight, and environmentally friendly—making it a top choice for modern interior waterproofing and wall protection systems.