or orientation of elements many modifications are contemplated within the scope of the present invention and will be apparent to those skilled in the art the embodiments described herein were presented by way of example only and should not be used to limit the scope of the invention for example other fire resistant infills such as the inorganic foam materials described in u s pat no 9 365 457 may be used in place of the mwp infill used in the above described embodiments and shown in the figures clause 1 a hybrid framed curtain wall panel comprising an exterior fire resistant infill a first interior infill comprising a band of fire resistant infill the first interior infill being located for placement at the edge of a floor slab and a second interior infill comprising a structural infill clause 2 the hybrid framed curtain wall panel of clause 1 wherein the exterior fire resistant infill comprises a continuous fire resistant thin pane clause 3 the hybrid framed curtain wall panel of any of clauses 1 or 2 wherein the band of fire resistant infill of the first interior infill comprises a mineral wool panel infill clause 4 the hybrid framed curtain wall panel of any of clauses 1 3 wherein the band of fire resistant infill of the first interior infill comprises an inorganic foam material clause 5 the hybrid framed curtain wall panel of clause 4 wherein the.