This paper mainly deals with providing a clear understanding of the bonding nature of various adhesives as a structural connection in timber glass composite beams and investigates the flexural behaviour of the same. This paper depicts the clear idea of the critical factors to be considered for the application of adhesives as a structural connection in timber glass composite beams. The timber glass composite beams will be a significant alternative for the conventional beams, which are currently used in the beams in temporary structures. Apart from being a significant replacement for the conventional beams, the glass web portion permits the light to pass through it. Thus, the artificial light energy required inside the structure will be reduced. This makes the composite beams to be energy efficient structural component in the temporary structures. In this research, the flexural behaviour of the composite beams made using various adhesives such as Acrylic, Epoxy and Silicone were studied. The result shows that epoxy adhesive connection behaves much better when compared with silicone and acrylic adhesives.