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Stair Nosing

Commercial Stair Nosing.
Melbourne & Australia.

Compliant, slip-resistant stair edging for commercial, civic and transport projects. Aluminium, brass and carbon-fibre ranges tested to AS 4586 for P5 slip resistance and detailed to meet the AS 1428.1 luminance-contrast requirement. Supplied and installed across Victoria, South Australia and Western Australia.

What It Is

The Edge That Has
To Comply.

Stair nosing is the protective, high-visibility edging fitted to the leading edge of each step. On a commercial stair it does three jobs at once: it warns vision-impaired users where the edge is, it provides slip resistance underfoot, and it protects the step structure from wear.

For a stair to pass an accessibility audit, the nosing must deliver a minimum 30% luminance contrast across a strip 50–75mm wide on both the tread and the riser under AS 1428.1, and a slip-resistance classification that suits the application under AS 4586. Get either wrong and the stair fails — which is why Korb supplies the slip and LRV test data with every range.

Korb's stair nosing spans four ranges — Aalto aluminium and brass, the Venturi carpet and flooring systems, the corrugated and striped Tadao profiles, and the carbon-fibre Carbtech — in surface-mounted, recessed and downturn formats to suit new builds and retrofits alike.

Every profile is available supply-only or as a full supply-and-install package, with one point of accountability from specification through to handover.

The Range

Four Stair Nosing Systems.

Aalto
Aluminium & Brass · Architectural
The architectural stair nosing range. Anodised aluminium and solid brass profiles in surface-mounted and recessed formats, with an anti-slip insert that carries the luminance contrast. The default choice for civic and premium commercial stairs.
Venturi
Carpet & Flooring Systems
Stair nosing engineered to integrate with carpet, carpet tile and resilient flooring. Aluminium, brass, carbon-fibre and polymer carriers with carpet-with-underlay, flooring-tile and long-downturn options for a flush, continuous finish.
Tadao
Corrugated & Striped Profiles
Corrugated and striped stair nosing in aluminium, brass and carbon-fibre. The corrugated tread surface delivers slip resistance and tactile feedback in one machined profile — a clean, low-profile option for high-traffic commercial stairs.
Carbtech
Carbon-Fibre Composite
Carbon-fibre composite stair nosing — lightweight, corrosion-proof and dimensionally stable. Suited to demanding transport, rail and external environments where metal nosing would corrode or add weight.
AS 1428.1
Design for access and mobility. Sets the 30% minimum luminance-contrast strip (50–75mm) required on the nosing of every step on an accessible stairway. Korb supplies the LRV data so the contrast can be verified at spec stage.
AS 4586
Slip resistance of new pedestrian surface materials. Korb's stair nosing inserts are tested to AS 4586 and carry a P5 (wet pendulum) classification — the highest slip-resistance rating — across the range.
NCC 2022
The National Construction Code adopts AS 1428.1 for accessible stairways via the Deemed-to-Satisfy provisions. Specifying Korb nosing with its test data attached is the simplest path to a compliant, audit-ready stair.
Project References

Specified On the
Work That Matters.

Caulfield to Dandenong Sky Rail level crossing removal
Melbourne, VIC · John Holland
Caulfield to Dandenong Sky Rail
Stair nosing across the elevated-rail station network on one of Victoria's largest level-crossing-removal programs.
Coburg train station stair nosing
Coburg, VIC · Wood Marsh
Coburg & Moreland Stations
Compliant stair nosing and edging on the rebuilt Upfield-line stations, detailed for high-traffic transport use.
Specify With Confidence

Free Tools for Specifiers.

Nosing Spec Tool
Generate a compliant stair-nosing specification clause for your project documents in minutes.
LRV Calculator
Check luminance contrast between your nosing and adjacent tread to confirm the AS 1428.1 30% threshold.
Nosing Profiles Guide
A technical guide to surface-mounted, recessed and downturn stair-nosing profiles and where each is used.

Specifying stair nosing for a project?

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