SS Handrail Profiles: Round, Square, Oval and LED
Buying Guide · · By Prince Railing
Grip decides a staircase handrail before looks do: a 50 or 65 mm round section closes comfortably in the hand in a way a slim rectangular one does not. Square and rectangular profiles read cleaner against frameless glass, and LED profiles carry a channel so the stair is lit from the rail itself.
A top handrail does three jobs at once. It gives the user something to actually hold, it caps and protects the exposed top edge of the glass, and it ties a run of separate panels into one continuous element. On a staircase it is usually a code requirement rather than a style choice, which is why grip should drive the decision before appearance does.
The profile families
| Profile | Sizes in the range | Character and typical use |
|---|---|---|
| Round | 50 mm, 65 mm | The most comfortable section in the hand, and what most staircase handrails end up being. |
| Square | 25×25, 40×40, 50×50 mm | Contemporary and crisp against frameless glass; less comfortable to run a hand along. |
| Rectangular | 60×40, 70×30, 80×30 mm | A flatter top face and a quieter line — common on balcony runs rather than stairs. |
| Oval | Small, big | Splits the difference — round enough to hold, flat enough to read as modern. |
| Triangle | 65×40 mm | An angled top face, used where the rail should shed water or catch light. |
| Slim | Slim, 34×27 mm | Minimum visual weight, for runs where the rail should stay out of the way. |
| LED | D-shape, two-slide, LED incline | Carry a channel for a strip light, so the stair or terrace edge is lit from the rail. |
| Incline | Incline | Cut to follow a stair pitch rather than sitting level. |
Start with grip, not looks
Terms like pitch line, graspable and arris have specific meanings on a drawing — see the railing terminology reference if you want them defined.
On stairs and ramps the handrail has to be graspable, and that is a dimension question. A 50 mm or 65 mm round section closes in the hand; a wide flat rectangular section does not, however good it looks in the render. Where the rail is decorative — capping a balcony balustrade that nobody grips on the way down — the flatter profiles are fair game. Height and graspability requirements are covered in our railing height and safety standards guide.
The fittings decide what the rail can do
A handrail is only as flexible as the fittings made for it, and this is where the profiles genuinely differ:
- Endcap and wall conceal — available across the whole range. Every profile can be terminated cleanly and taken into a wall.
- Fix bend — on the round, square, oval, triangle and incline profiles. This is what turns a corner.
- 90 and 180 degree jointers — on the LED, slim, small oval, rectangular, triangle and incline profiles. A staircase that turns back on itself at a half-landing needs the 180.
- Modular bend — on the 50 mm round, 40×40 and 50×50 square profiles only.
The practical consequence: work out the geometry of your run before choosing the profile. A stair with a half-landing return needs a profile with a 180 degree jointer, and that requirement narrows the shortlist faster than any aesthetic preference will. The full matrix is on the top handrails page.
LED handrails
The LED profiles carry an internal channel for a strip light, so the stair is lit from the rail instead of from a separate fitting, and the incline version is cut to follow the pitch. Plan the driver position and the cable route before the rail is fixed, because both run inside the profile and neither is easy to add later.
Over glass or on the wall
Fitted over a glass balustrade the rail caps the exposed top edge, protecting the arris from impact and tying separate panels together. Wall-mounted on brackets it works as a standalone grab rail on a staircase or ramp. Either way the rail should run without sharp breaks so a hand can travel the whole flight — which is exactly what the jointers and bends are for.
Grade and finish
Handrails get touched constantly, and that should drive the finish. A brushed matt or satin surface hides fingerprints and light scratching far better than mirror polish, which is why it is the practical choice on a busy staircase; mirror suits low-touch feature areas. Anodized and powder-coated finishes unlock black, bronze and matched RAL colours. The trade-offs are in our finishes comparison, and the grade decision — SS 304 inland, SS 316 coastal — in the 304 vs 316 guide.
Browse every profile on the SS top handrails page, or send us your stair or balcony geometry and we will match the profile and the fittings to it.
Frequently Asked Questions
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