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AN15/55R Aluminium Nosing

Product Description

The AN15/55R is a raked back, single-channel aluminium stair nosing that is available with a variety of infill options and colours such as castellated PVC or aluminium ATI's. The body of this nosing is available in mill or satin aluminium and can be ordered in lengths up to 2.5 meters long.

This is a ramped backed profile that has a 66mm tread and a 55mm riser and is ideal for fitting on top of resilient flooring such as vinyl or where no surface covering is being fitted.

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Available Finishes:

  • Mill Aluminium

  • Satin Aluminium

  • Black Anodised - Coming Soon

Size Options​:

Ordered to Measure

Max Lengths

  • Mill Alu      2.5m

  • Satin Alu   2.5m


Infill Options:

  • PVC Castellated

  • Smooth Textured

  • ATI49.5 Insert

  • Olympic Grip

  • Carborundum

Drilling Options​ PVC Infill:

  • Drilled retro

  • Drilled for countersunk screws

  • Drilled for concealing plugs 

  • Undrilled 

Drilling Options​ ATI & Olympic:

  • Drilled retrofit infill

  • Undrilled​

Screw size 8.


Fixings not supplied.

Drilling is available - 5% charge

CAT Castellated PVC Infill Colours

Stringer angles also available in Satin and Polished Aluminium.


Aluminium Technical Data Sheets

AN15/55R Castellated Infill

Technical Data Sheet

AN15/55R ATI Infill

Technical Data Sheet

AN15/55R Smooth PVC Infill

Technical Data Sheet

AN15/55R Olympic Infill

Technical Data Sheet

Carborundum External Nosing Insert