Having completed 60 years globally, TECHNAL®, a part of the Hydro group, is organizing a series of knowledge seminars on façade design, engineering and architecture called ‘World Of Technal’ across GCC and Middle East. They are hosting an exclusive seminar on sustainability and building envelopes on the 25th of October. The seminar will take place at Crowne Plaza Riyadh RDC Hotel & Convention Center, at Digital City, which is located in the heart of Riyadh.