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AS 4586Carbtech®
Stair Nosing

Carbtech®

AS 4586AS 1428.1NCC 202210-Year Warranty
Australian Made
Proudly
Australian Made

Carbtech works twice: as a stair nosing in its own right, and as the replaceable grip strip within Korb's insert-based profiles. Silicon carbide composite in multiple widths and colours: specify it standalone on hard-working stairs, or use it to re-grip an existing Korb profile at maintenance cost rather than capital cost. Tested to AS 4586.

Luminance contrast required
30%
Minimum against the stair tread, AS 1428.1.
Slip rating
P5
Silicon carbide with metal backing. Wet pendulum, AS 4586.
Colour · Black
Sets the slip rating and the luminance contrast. Swatches are indicative, not a colour standard.
Size · 50x10mm
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$… / m, ex GST
Piece Specifications
10-year warrantyManufacturing defects, normal use
P5 slip ratingWet pendulum, AS 4586
Supply & installVIC / SA / WA
Colour & luminance
0
25
50
75
100
Tap any colour to see the LRV an adjoining tread surface must reach for the 30% luminance contrast required under AS 1428.1.
Each insert shows mean dry / wet LRV; the scale plots the dry figure. Both are from the Korb product data sheet and the 2025 stair nosing brochure. Contrast is measured between the nosing insert and the surface around it: the further apart the two sit on this scale, the more contrast you get. A minimum of 30% luminance contrast is required under AS 1428.1. Confirm the figure for your tread before you specify.
Applicable Substrates
StoneCeramicConcreteMasonryTimberVinylChecker PlateExpanded Mesh Don’t see your substrate? Contact us
Downloads
Product Data Sheets
PDFCarbtech® 50x10mm - Product Data Sheet954 KBDownload ↓ PDFCarbtech® 75x10mm - Product Data Sheet712 KBDownload ↓
Test & Compliance
PDFCarbtech® - Slip Resistance (P-rating, AS 4586)33 KBDownload ↓ PDFCarbtech® - Non-Combustibility Statement (NCC C2D10(5))34 KBDownload ↓
CAD & BIM
DXFCarbtech® - CAD Detail (section)40 KBDownload ↓ PDFCarbtech® - CAD Detail Sheet125 KBDownload ↓
Configure & Quote this product →
Trade Resources · Restricted Access

Slip Resistance Reports, Non-Combustibility Statements, Sample Warranty Certificates, and Installation Specifications. Available to registered builders, architects, surveyors and specifiers. Access granted within 24 hours of request.

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