interplay of iron girder structure, generous glazing and floral ornamentation. As part of a mixed-use development project by owner LVMH, the two buildings were comprehensively refurbished and converted [...] its high-profile location on the banks of the Seine in the heart of Paris. In line with the mixed use envisaged by owner LVMH, the 1920s building now houses the new flagship of the group’s luxury hotel [...] made of 100% recyclable steel, Forster’s window systems make a contribution to this. Alongside the use of renewable energies such as geothermal energy and solar hot water, the windows’ optimal thermal