Glass roofing structure by laminated glass is produced by combining two sheets of glass. Laminated Safety Glass Roof is durable, high-performance and multifunctional. Apart than that, T-beam steel is used in frame construction, is a load-bearing structure of metal, with a T-shaped cross section. The top of the T-shape cross section of the beam serves to resist shear stress and to provide greater separation for the coupled forces of bending. Usually one end or both ends are anchored to the building structure.