The steel frame skeletal lightweight board is a new type of lightweight roof load-bearing inorganic board that integrates functions such as light weight, load-bearing, durability, thermal insulation, heat preservation, waterproofing, fire resistance, sound insulation, explosion venting, and seismic resistance. It inherits the reliability of traditional reinforced concrete roof panels and absorbs the advantages of other lightweight boards, highlighting the safety and durability of the structure while achieving light weight and multifunctionality. The product range is comprehensive, installation is quick, and maintenance is simple. The board is mainly suitable for roofs of buildings such as rail transit, industrial factories, warehousing logistics, large public buildings, and sports venues, and can be matched with various structural forms such as concrete structures, light steel structures, and spatial grid structures, with wide application.