← Spec Suite Index Tool 03

Nosing Spec Checker

Five-parameter compliance check for stair nosing — setback, strip width, LRV, P-rating and environment, against AS 4586 and AS 1428.1.

Tool 03

Nosing Spec Checker

Five-parameter compliance check for stair nosing installation. Validates strip setback, strip width, LRV contrast, P-rating and environment against AS 4586 and AS 1428.1:2021. Note: nosing shall not project beyond the face of the riser - overhang is not a permitted variable.

AS 4586:2013 · AS 1428.1:2021 S8.1
No nosing projection · Setback ≤ 15mm · Strip 50–75mm · LRV ≥ 30%

Strip Setback from Nosing Edge (mm)

Strip Width (mm)

LRV Contrast (%)

P-Rating Achieved

Installation Environment

Compliance Pack

Nosing Spec Checker

Project Pack