Curtain wall as contemporary facade structures are often preferred by designers on different types of structures. In this paper, they are viewed in a more contemporary, complex and comprehensive way. Wind load was analysed using CFD. The supporting elements of the curtain wall made of aluminium alloys AW 6063.T5 and AW 6082.T5 have been specifically tested for lateral torsional buckling. Recommendations have been made for the use of specific cross-sections, the implementation of which would result in significant savings in the material on the buildings facades.