The refurbishment of the Grand Théâtre de Québec required consideration of its two defining components: its brutalist architecture by Victor Prus and sculptural mural by Jordi Bonet. Lemay’s innovative glass casing solution is a delicate response to a complex problem. The new ultra-clear, transparent outer shell fades, disappears, reflects, illuminates. Beyond its primary function of creating a weather-protected tempered envelope, the casing acts as an extension of the original building, maintaining design continuity. The glass casing twists at the corners, lifts at the base and fades, leaving