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BN18 Brass Nosing

The CAT BN18 is a brass bullnose stair nosing with a single channel and can be ordered in CAT's four signature brass finishes. The BN18 is designed to be installed with an insert providing slip resistance and colour contrast to the step. Infills available include our Castellated PVC Inserts, Smooth PVC or our heavy-duty carborundum infill.


Please see below for a full range of sizes finishes and colours available.

Available Finishes:

  • Polished Brass

  • Satin Brass

  • Antique Brass

  • Antique Bronze

Size Options​:

Ordered to Measure

Max Lengths

  • Polished              3.2m

  • Satin                    2.7m

  • Antique Brass     2.7m

  • Antique Bronze  2.7m

CAT Brass Nosing Finishes

Infill Options:

  • PVC Castellated

  • Smooth Textured

Drilling Options​ PVC Infill:

  • Drilled retro

  • Drilled for concealing plugs 

  • Undrilled 

Screw size 6.


Fixings not supplied.

Drilling is available - 5% charge

Stringer angles also available in Polished Brass, Satin Brass, Antique Brass & Antique Bronze.


BN18 Castellated Infill

Technical Data Sheet

BN18 Smooth PVC Infill

Technical Data Sheet

CAT Castellated PVC Infill Colours

Brass Nosing

Maintenance Guide

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