Ramp Back Aluminium Stair Nosing 93 x 38mm, Twin Exterior Grip Inserts

Why this nosing works

Grip across the whole landing zone

On a 93mm tread the two gritted strips cover the full depth the foot lands on, from the arris back to the ball of the foot, not a single band at the very edge. That matters most going down, when the heel lands on the nosing first and the step is wet.

A grit insert, not a plastic strip

Each insert is GRP with fused alumina or quartz grit set into the resin and sealed under a gel coat, so the grip runs through it, and a worn insert is replaced on its own while the aluminium stays fixed. The manufacturer gives TRL pendulum values of above 95 dry and above 85 wet; anything over 36 is rated low slip potential. That wet margin is why it beats PVC on any step that sees rain.

A ramped back edge that finishes cleanly

Behind the inserts the tread tapers down to a fine edge, so vinyl, lino, LVT or timber can be laid tight against it with no upstand to trip on, sweep around or lift.

Contrast you can put in an access statement

Insert LRVs are published: Coal 5.09, Brimstone 54.24, Everest 58.00. Approved Document M treats a difference of more than 30 points as adequate visual contrast, so one of the three will clear it on almost any tread. The profile is classed as Building Regulations compliant.

Where it is used

Covered entrance steps to offices, schools, health centres and shops; escape and service stairs; communal entrances to flats; the first flight inside a door. For dry internal stairs the same 93 x 38mm profile comes with twin textured High Grip inserts or twin PVC inserts in a wide colour range.

Specification

Step-edge geometry

How the profile measures against the step-nosing clauses of Approved Documents K and M.

Specification clause

For specifiers: delete options that do not apply.

Choosing the right option

Start with the step. This profile suits square-edged steps in a hard floor finish. For a deeper riser face, the 70 x 56mm ramp back DDA profile takes the same inserts with a 56mm riser leg.

Insert colour is a safety decision. Coal on pale concrete, stone and light vinyl; Brimstone for maximum visibility on dark and mid-tone steps; Everest where yellow is too loud on a dark floor.

Then the length. Take the stock length that cuts into your step widths with the least waste.

Finish last. Mill Finish suits service and escape stairs. Satin Black and the bronzes recede into dark schemes; Satin Gold and the Mirrorflect finishes are for entrances where the metal is meant to be seen. Bright Polished is not offered with exterior grip inserts.

Installation, use and care

Make good damaged edges, then clean and dry the step. Push each nosing hard against the step and mark the fixing positions; on concrete or stone, drill and plug with corrosion-resistant fixings. Bed the profile on cartridge adhesive so water cannot track underneath, screw down, lay the floor finish tight to the ramped back edge and seat both inserts. Sweep grit out of the inserts and wash with water and a neutral detergent.

Frequently asked questions

Can this stair nosing be used outside?

Yes. The grit inserts are the exterior grade and the aluminium does not rust. The manufacturer gives TRL pendulum values above 95 dry and above 85 wet, where 36 or more already counts as low slip potential.

Is this nosing Building Regs compliant?

The profile is classed as Building Regulations compliant. Its 93mm tread and 38mm riser face, with the published insert LRVs, let you show step-edge contrast in an access statement. Ask us if Building Control needs a copy of the certificate.

What does the ramped back edge do?

The back of the tread tapers to a fine edge, so the floor covering meets the nosing with no upstand to catch a heel or collect dirt.

How many steps will one length cover?

Allow a few millimetres per saw cut. A 2.44m bar gives two 1.2m steps, a 2.75m bar two 1.35m steps, and a 3.22m bar three 1.05m steps or two 1.6m steps.

Ordering and delivery

All 63 combinations of finish, insert colour and length are priced individually above. Bars ship full length for cutting on site, with flat-rate UK delivery at £9.99; order by 2pm on a working day for same-day dispatch. For projects, send us the step count and widths for a quote.