These powder-coated steels are on the outside of the glass, which is typical of Mies. Internally, as you will see from the floor plans there is no internal structural support for this feature. When I asked Les Postawa of Anthony Hunt Associates how it was going to stay up he reassuringly advised me - "glue,but just in case I'll provide a box of hard hats."

The inverted roof is comprised of 12 sections, which arrive on site prefabricated. Each section is 900mm wide and will be craned into position and bolted together. The sections are then filled with insulation, covered in ply and then clad with low reflective stainless steel.

Below is the Roof Stress Analysis Graph. Click on it to see the full size image.