Stair nosing accessories are designed to complement and extend stair nosing installations, improving safety, durability, and visual continuity across staircases. Commonly used in commercial, public, and high-traffic environments, these profiles allow installers to extend tread depth, accommodate retrofit installations, and achieve clean transitions between stair nosings and surrounding floor finishes.
We manufacture a comprehensive range of stair nosing accessories to customer specification, produced in high-quality Aluminium and Brass. The range is engineered to integrate seamlessly with our stair nosings, providing reliable fixing solutions, enhanced slip resistance, and a consistent aesthetic across new-build and refurbishment projects.
Aluminium Stair Nosing Accessories
Manufactured in our premium mill, satin, and polished aluminium finishes, these accessories are designed for use with 5mm gauge aluminium stair nosings with infill. Interlocking features across the range ensure secure alignment and consistent performance.
ANEXT – Tread Extender for 5mm Aluminium Nosings with Infill
ANEXT is designed to extend the stair tread by 59mm, allowing multiple profiles to be used together for complete tread coverage where required.
- 5mm gauge with interlock feature
- Can be installed rebated alongside a stair nosing
- Suitable for use as a modular tread extension system
- Supplied undrilled for adhesive-only fixing, or drilled for mechanical fixing
- Drilling options include retrofit infill and concealed plugs (dependent on infill type)
- Compatible with a wide range of infill types and finishes, to suit all LRV requirements. Click here to find out more about LRV.
- Supplied in stock lengths of 3.200m or cut to customer lengths
This solution is ideal where existing stair dimensions require extension without compromising safety or appearance.
ANRE25 – Ramp Profile for 5mm Aluminium Nosings with Infill
ANRE25 provides a controlled transition from stair tread to finished floor surface, particularly in retrofit scenarios.
- 5mm gauge ramping down to 1mm
- 25mm visible surface once installed
- Interlock feature allows use with stair nosings or ANEXT
- Suitable for adhesive fixing behind stair nosing or ANEXT, using STYCCO FLEX
- Designed for retrofit installations over stone or timber stairs
- Suitable for use in conjunction with hard floor coverings
- Supplied in stock lengths of 2.715m or cut to customer lengths
This profile reduces trip risk while maintaining a clean, professional finish.
ANE – Naplock Profile for 5mm Aluminium Nosings with Infill
ANE is a naplock profile designed to secure carpet finishes directly behind stair nosings or ANEXT profiles.
- 14mm visible edge once installed
- Compatible with 5mm gauge nosings and ANEXT
- Mechanical fixing using size 6 screws
- Pre-punched base with integrated carpet grippers
- Supplied in stock lengths of 2.715m or cut to customer lengths
It provides a durable and reliable solution for carpeted stair installations in high-traffic environments.
Brass Stair Nosing Accessories
CAT’s brass stair nosing accessories are available in four signature brass finishes, offering flexibility to suit both traditional and contemporary interiors. Designed for use with solid brass ribbed tread nosings and nosings with infill, these profiles prioritise longevity and visual consistency.
BTI25 & BTI52– Brass Ribbed Tread Stair Tread Extenders
These tread extenders can be used behind solid ribbed tread brass nosings or independently as stair tread inserts.
- Suitable for 4.8mm and 5mm gauge stair nosings
- 25mm or 52mm visible edge once installed
- 4.8mm gauge profiles
- Multiple extenders can be installed behind a nosing
- Supplied undrilled for adhesive fixing using STYCCO FLEX
- Can be installed rebated on their own, behind a nosing, or behind another tread extender
- Supplied in stock lengths of 3.200m (Polished and Mill) or 2.700m (Antique and Satin finishes), or cut to customer lengths
These profiles offer a practical solution where extended tread depth or enhanced ribbed detailing is required.
BNE – Naplock Profile for Brass Stair Nosings
BNE is designed to provide a secure carpet interface behind brass stair nosings or tread extenders.
- Compatible with solid nosings, solid brass stair tread extenders and nosings with infill (4.8mm and 5mm gauge)
- 14mm visible edge once installed
- Mechanical fixing using size 6 screws
- Pre-punched base with integrated carpet grippers
- Supplied in stock lengths of 2.750m or cut to customer lengths
This profile ensures long-term performance in demanding commercial environments.
BNFE30 – Ramp Detail for Brass Stair Nosings
BNFE30 provides a feather-edge transition, ideal for retrofit applications and finished floor interfaces.
- 5mm gauge ramping down to 1mm
- 30mm visible edge once installed
- Installed using STYCCO FLEX adhesive or with Stick FixTM double sided adhesive as standard.
- Can be used behind a nosing, behind a tread extender, or independently as a diminishing edge profile
- Suitable for retrofit installations over stone or timber stairs, or with hard floor coverings
- Supplied with StickFixTM double-sided tape pre-applied as standard, or without StickFixTM on request (for adhesive fixing)
- Supplied in stock lengths of 2.750m or cut to customer lengths
Our stair nosing accessories are engineered to extend tread depth, manage transitions, and support a wide range of floor finishes while maintaining safety and design consistency. With robust aluminium and brass options, multiple fixing methods, and stock or bespoke length supply, we provide practical, specification-led solutions for both new installations and refurbishment projects. For further technical guidance or assistance selecting the appropriate stair nosing accessory, please contact our customer service team.