Insulation: rock wool sandwich panel for noise reduction deliver significant role, especially for a place designated by the flight. Also roof Caigangyanmian board with a Caigangyanmian board, rain, hail steel roof of the building after the impact caused by rock wool roof indoor sound Caigangyanmian board construction, but also significantly reduced. Through testing, according to UNI 8270/7 and ISO 717/82 standards, the choice of a density of 120kg / m & sup3; rock wool as the core material of sandwich Caigangyanmian board sales, sound insulation RW = 29-30 dB can be achieved buckle Reasonable access mode: rockwool roof using snap connections, to avoid leaking roof seams risks, the amount of saving accessories. And fixed firmly reasonable: Rockwool roof using a special self-tapping screws M6 and purlins fixed, can effectively resist typhoons and other external forces. Self-tapping screws provided at the peak position on the roof surface, and using a special waterproof construction, waterproof to avoid weak points.