Staircase

The house’s stacked floors progress vertically from the communal basement, through the mixed-use mezzanine, to the private bedroom. Its staircase responds to these functions. Perforated folded steel steps between the ground level and mezzanine allow for greater access to sunlight. Between the mezzanine and upper level, solid folded steel stairs and partitions serve as the bedroom’s acoustic barrier.

The finished stair. Franz and Pare-Mayer also took advantage of the light from the skylight to brighten the bathroom: They inserted a pane of etched glass into the wall that separates the stairwell and the shower.

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