Osborne is main contractor on the £48m job to build a new library for the Royal Holloway University.
The Enquirer understands that Colorminium will be responsible for delivering a high specification facade that includes curtain walling – capped and structurally glazed, swing and sliding doorsets, terracota brise soleil, ceramic cladding, bronze cladding, aluminium cladding, and architectural metalwork.
Colorminium is due to start on site this summer with project completion during 2017.