What is a Screw-Fix Aluminium Stair Nosing?

A stair nosing is an edging profile fixed to the front edge of each step — the part of the stair that takes the most wear, where feet land as people ascend and descend. This 1200mm anodised aluminium stair nosing is designed for permanent screw-fix installation, making it significantly more secure than self-adhesive alternatives. The profile wraps over the step edge with a 46mm horizontal face (the tread surface) and a 30mm vertical face (the riser), creating a protective trim that eliminates the raw, vulnerable edge of the step and provides a clearly defined, slip-resistant walking surface.

The anti-slip rubber insert sits in a channel running the full 1200mm length of the profile. This insert serves two functions: it provides genuine friction underfoot to reduce slip risk, and after installation it slides over the screw heads to conceal all fixings — leaving a clean, professional finish with no visible screws.

Technical Specifications

Why 1200mm Matters

The standard stair nosing length available from most UK suppliers is 900mm (90cm). A typical UK domestic staircase is 860mm–900mm wide, meaning a 900mm nosing fits with minimal or no trimming required. However, open-plan homes, commercial buildings, loft conversions, wide feature staircases and many older properties frequently have stair widths of 950mm to 1,100mm — wider than a standard 900mm nosing can cover without a join. This 1200mm nosing covers those wider staircases in a single piece, eliminating the visual and structural weakness of a mid-step join.

Colour Matching Guide

Key Features and Benefits

• Permanent screw-fix security — unlike self-adhesive nosings that can lift over time, this profile is mechanically fixed through the step surface. Once installed it will not move, even on high-traffic commercial staircases.
• Hidden fixings — clean professional finish — the rubber anti-slip insert slots over the screw heads after installation, covering every fixing point. The finished result looks like a factory-fitted, screwless trim.
• Anodised aluminium — lifetime corrosion resistance — anodising creates a permanent electrochemical layer that cannot peel, chip or flake. The colour is integrated into the metal surface, not applied as a coating.
• Full-length rubber anti-slip insert — the rubber strip runs 1200mm, providing consistent slip resistance across the entire step width rather than just short rubber patches at intervals.
• Hacksaw-trimmable to exact width — mark your required length, score with a hacksaw or angle grinder, and the aluminium cuts cleanly. The rubber insert trims with scissors.
• 7 colour options for precise matching — with silver, black, gold, champagne, inox, brown and olive available, there is a finish to complement every wood tone and interior style.

Where to Use

• Residential staircases — wood, laminate, carpet-covered or tiled steps at home
• Wider staircase openings — open-plan homes, barn conversions, older properties with non-standard stair widths
• Commercial and light industrial staircases — offices, retail premises, schools, care homes
• Renovation projects — protecting newly exposed step edges during and after flooring replacement
• External and covered stair areas — porches, decking steps, covered outdoor stairs
• New builds — finishing and protecting step edges during the final fit-out stage

⚠️ Note: This nosing is designed for steps where the tread and riser are at a right angle — the standard profile on most domestic and commercial staircases. It is not suitable for bullnose steps, curved step edges, or steps with a significant overhang. For those applications, a different profile is required.

How to Install

1. Measure and cut to length. Measure your stair width. If the nosing needs trimming, mark the cut line with a permanent marker, secure the nosing in a vice or clamp, and cut with a hacksaw. Deburr cut edges with fine sandpaper.
2. Remove the rubber insert. Grip the rubber anti-slip insert and slide or gently pull it from the aluminium channel to expose the pre-drilled fixing holes underneath.
3. Position the nosing. Place the aluminium profile on the step edge so the horizontal face sits flat on the step surface and the vertical face covers the riser. Align it squarely with the step edge.
4. Mark the fixing holes. Using the pre-drilled holes as a template, mark the screw positions on the step surface with a pencil or awl.
5. Drill pilot holes. Remove the nosing and drill pilot holes at each marked position. Insert the provided wall plugs if fixing into concrete, stone or tile.
6. Screw fix the nosing. Reposition the profile on the step, align with the pilot holes, and drive the screws down through the channel until the screw heads are fully countersunk and flush with the aluminium base.
7. Replace the rubber insert. Slide the rubber anti-slip insert back into the channel from one end. Press or tap it firmly until it sits flush, covering all screw heads completely.
8. Repeat on each step. Work from top to bottom of the staircase for the cleanest install sequence.

Frequently Asked Questions

Why is this nosing 1200mm when most are 900mm?

Most UK domestic staircases are approximately 860mm–900mm wide, so a 900mm nosing fits with no trimming. However, open-plan homes, commercial buildings, older properties and wide feature staircases are frequently 950mm–1,100mm wide. This 1200mm profile covers those wider staircases in a single piece — no join, no visual break, no weak point.

Can I cut it shorter if my stairs are narrower than 1200mm?

Yes. The aluminium cuts cleanly with a standard hacksaw or angle grinder. Mark your required length, clamp the nosing securely, cut square across the profile, and lightly sand any burrs. The rubber insert trims easily with scissors or a sharp knife.

Does the rubber insert genuinely prevent slipping?

The rubber anti-slip insert provides significant friction improvement on the step edge — the area of highest slip risk on any staircase. It runs the full 1200mm length, covering the entire step width. For high-traffic or particularly demanding applications, additional non-slip tape can be applied to the tread face of the nosing as well.

What screws and fixings are included?

Screws are included. For wood and laminate steps, pilot holes drilled directly into the step are all that is needed. For concrete, stone, or tile steps, plastic wall plugs are also included to anchor the screws into harder substrates.

Will the colour fade over time?

No. Anodising is an electrochemical process that creates a colour-stable oxide layer integrated into the aluminium surface itself. The colour is not a surface coating — it cannot peel, chip or fade under normal indoor use. The finish maintains its appearance for the lifetime of the product.

Is this suitable for external steps?

This nosing is suitable for covered external steps — porches, decked areas, covered stair flights with overhead protection. For fully exposed outdoor steps subject to standing water and freeze-thaw cycles, a GRP (fibreglass) nosing specifically rated for external use offers superior weather resistance.

How does the rubber insert cover the screw heads?

The aluminium profile has a channel running its full length. The pre-drilled fixing holes are at the base of this channel. After screwing the nosing down, the rubber insert slots back into the channel from one end and slides along its full length. The insert is sized to sit slightly above the screw heads, pressing them down and concealing all fixings — leaving a smooth, screwless surface appearance.

Which colour should I choose for a light wood staircase?

For light wood staircases — pine, ash, light oak or pale maple — silver or champagne are the most complementary choices. Silver provides a clean, contemporary contrast that suits modern interiors. Champagne offers a warmer, slightly toned alternative that blends more subtly with lighter timber tones. Both are among the most popular finishes for residential installations.

Why Buy From Stair Nosings UK?

• Dedicated stair accessories specialist — nosings, thresholds and profiles are our entire focus
• Broader colour range and longer lengths than most UK competitors
• UK stock for fast dispatch without the wait of international shipping
• Secure checkout with all major payment methods accepted
• Expert support from a team with in-depth product knowledge

Select your colour above — silver remains the most versatile choice for light staircases, black for contemporary dark-toned interiors, and gold or champagne for traditional warm-wood homes.