Case study
Toorak Stair
A frameless balustrade that lets a floating stair stay floating.
Toorak · 2026 · Frameless balustrade
A new floating-tread stair in a Toorak renovation. The balustrade had to protect the fall without adding a single visible fixing — the stair was the architecture.
The brief
The builder needed a compliant barrier to a 2.7-metre fall. The architect wanted it invisible: no spigots, no posts, no top rail reading across the timber treads.
The approach
We took the loading back to AS 1288:2021 and specified toughened-laminated glass in a continuous channel cast into the stair stringer — no point fixings, no handrail required for this configuration. The lamination gives the post-failure retention the fall height demands.
The result
The glass disappears. The stair reads exactly as drawn — timber treads, a clean line of glass, light passing straight through. The compliance is in the specification, not on the surface.
Specification
- Glass
- 15mm toughened-laminated
- Fixing
- Continuous cast-in channel
- Standard
- AS 1288:2021 · NCC 2025
- Lead time
- 4 weeks, measure to install
Project highlights
- Channel fixing — no spigots, no visible hardware
- Toughened-laminated glass for post-failure retention at a 2.7m fall
- No top rail required for the configuration, confirmed against AS 1288
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