WFM: What are the criteria for the selection of Architectural hardware for facades and fenestrations? Rajan Aggarwal (RA): With more number of design & options available, right selection of hardware for the windows, doors and facades has become very important. While selecting the hardware, functional need and safety should be given priority and they shouldn’t get superseded by aesthetics requirements. One should check the certification for number of usage cycles, weight and load factors at the time of selection of hardware. After taking care the above, one should select the design as per the need of design of the façade perceived by the designer. Main concept with aesthetic requirements of façade design is generally given by the architect. This needs to be further developed by using various types of hardware. The type of hardware is selected as per the structural requirements of the façade, for example structural load, wind pressure...