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AN552 Aluminium Nosing

Discontinued Product: Please contact our sales team for stock availability.

Product Description

The AN552 is a 5.5mm gauge, square-edged, double-channel aluminium stair nosing available with a variety of infill options and colours such as castellated PVC or antip-slip Olympic grip infill. The body of this nosing is available in mill aluminium, satin aluminium or polished aluminium and can be ordered to measure.


This profile has a 55mm tread a 26mm square riser and can be supplied pre-drilled for a concealed fixing installation.

Supplied with black or light grey smooth textured infill as standard. Other colours and castellated infill options are available subject to order quantity.

Available Finishes:

  • Mill Aluminium

  • Satin Aluminium

  • Polished Aluminium

Size Options​:

Ordered to Measure

Max Lengths

  • Mill Alu                         3.2m

  • Satin Alu                      3.2m

  • Polished Alu                3.2m


Infill Options:

  • PVC Castellated

  • Smooth Textured

  • ATI49.5 Insert

  • Olympic Grip

  • Carborundum *2.5m only

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

Stringer angles also available in Satin and Polished Aluminium.


Aluminium Technical Data Sheets

AN552 Castellated Infill

Technical Data Sheet

AN552 Smooth PVC Infill

Technical Data Sheet

AN552 Olympic Infill

Technical Data Sheet

CAT Castellated PVC Infill Colours
Carborundum External Nosing Insert
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