Suitable for building load-bearing walls, retaining walls, roofs, floor slabs, and internal partition walls of frame structure buildings (fire resistance limit greater than 3 hours). The performance indicators of S board are determined according to the S-type board in the JC623-1996 industry standard. Its product features include light weight, high strength, thermal insulation, earthquake resistance, weather resistance, water resistance, fire resistance, cost-effectiveness, and ease of construction. It can be widely used in various industrial, civil, and steel structure construction projects. Specifications can be customized.