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Timber Handrail on Metalwork: How Bespoke Handrail Transforms a Steel or Glass Balustrade

A timber handrail on a metal balustrade is a solid timber profile, shaped and fixed to run along the top of a steel, stainless steel, or glass-and-metal balustrade in place of a metal or plastic cap rail. Done well, it combines the structural strength and slim sightlines of a metal balustrade with the warmth and grip of solid wood, and it’s one of the most requested combinations in contemporary luxury staircase design.

Why pair timber with metal in the first place

A bare steel balustrade reads as industrial. A bare timber balustrade can read as heavy or traditional. Capping a metal structure in timber gets both: the balustrade itself can be as slim and structurally minimal as the engineering allows, glass panels, fine steel spindles, or a finned metal design, while the handrail people actually touch is warm, tactile hardwood. It’s a detail that shows up constantly in the kind of high-end commercial and residential work Haldane builds for, hotel staircases, gym fit-outs, and grand residential entrances where the balustrade is doing an architectural job and the handrail is doing a hospitality one.

The technical challenge: metal doesn’t hold a straight line the way timber does

The part most people don’t think about until they’re mid-project: a metal balustrade rarely holds one consistent angle. A staircase balustrade with a raked (sloped) run transitioning into level landings, or a feature balustrade with panels that change pitch, forces the timber capping to follow every one of those transitions exactly, in a single, continuous piece of wood.

On a recent project for Equinox Gym in Bishopsgate, London, this was the entire brief. The staircase’s finned stainless steel balustrade (850 individual finned sections) changed angle from 0 to 90 degrees as it moved through a three-storey half-turn staircase. A single continuous handrail couldn’t follow that transition, so Haldane’s team 3D laser-scanned the metalwork, then CNC-machined the base rail in split sections designed to fit together perfectly on site despite the constantly changing angle. The finished ash handrail capping ran to over 120 linear metres, in a chunky 115mm x 70mm profile chosen to hold its own against the scale of the staircase.

That’s the difference between fitting a length of handrail moulding to a straight run and actually engineering a timber-on-metal solution: the metalwork gets surveyed first, digitally, and the timber is built to match it exactly, not fitted and adjusted afterwards.

It isn’t only steel

The same principle applies to timber-on-glass. On a separate residential project, Haldane fitted a continuous American black walnut handrail (an 80mm x 50mm elliptical profile) as capping along the top of a curved glass balustrade rising through a helical staircase to a double-height atrium.

As Managing Director Forrester Adam put it: “Our digital survey technology allows us to pick up any minor flaws or issues caused by on site conditions and manufacture them out off-site to minimise installation times and costs.”

The glass was digitally mapped before a single piece of walnut was cut, the same discipline as the steel balustrade approach, applied to a different material.

What this means in practice, if you’re specifying one

A timber-on-metal handrail is not a standard component ordered from a catalogue and screwed down. Three things determine whether it’s done properly:

The metalwork gets surveyed before the timber is cut, not measured on-site with a tape and adjusted afterwards. Digital or 3D laser scanning catches angle changes, curves, and on-site inconsistencies early enough to design around them off-site, which is what keeps installation fast and the finished line clean.

Split-section design where the geometry demands it. A continuous run works on a simple straight or gently curved balustrade. Anywhere the angle changes significantly (a raked flight meeting a level landing, a finned or faceted balustrade), the timber needs to be engineered in sections that read as one continuous handrail once installed.

Timber species and profile should suit the scale of the metalwork, not just match a colour scheme. A fine stainless steel spindle balustrade generally wants a slimmer, more refined profile; a substantial architectural steel structure, like the finned balustrade at Equinox, can carry a chunkier profile without looking out of proportion.

Frequently asked questions

Can a wooden handrail be fitted to any metal balustrade?
In most cases, yes, timber capping can be fitted to steel, stainless steel, and metal-and-glass balustrades. The complexity depends on how much the balustrade’s angle or profile changes along its run; a straight or consistently curved balustrade is straightforward, a balustrade with multiple angle transitions needs a surveyed, split-section approach.

Does the timber need special fixings for a metal frame?
Yes. Fixing method depends on the balustrade design, but the principle is the same throughout: the timber is designed and pre-fitted to the exact dimensions of the metalwork, established through digital survey, rather than fixed generically and adjusted on site.

Can a curved or angled metal balustrade be capped in timber?
Yes, this is where the process matters most. Continuous curved capping (as used on a curved glass balustrade) and split-section capping engineered for sharp angle changes (as used on the finned steel balustrade at Equinox Gym) are both achievable, but both require the metalwork to be surveyed and the timber built to match it, not fitted freehand.

How is the timber capping kept looking like one continuous handrail if it’s built in sections?
The split sections are CNC-machined to exact tolerances from the original 3D scan data, so each section’s end meets the next at precisely the angle the metalwork demands. Fitted correctly, the joins are not visually apparent and the handrail reads as one continuous run.

Posted on August 18th, 2026 in Uncategorised

The Six Most Common Metal Staircase Cladding Projects: What Makes Each One Different

Metal staircases are the structural backbone of some of the most architecturally ambitious interiors in the UK. Steel allows spans, forms and visual lightness that timber alone cannot achieve, but raw steel rarely meets the finish standard that prestige projects demand. Timber cladding bridges that gap.

The challenge is that no two metal staircases are alike. The substrate type, the geometry, the building’s use, the condition of the existing structure and the finish specification all determine how a cladding project must be approached. What works on a straight fabricated steel stair in a new-build office will not work on a cast iron helical flight in a listed building.

This guide covers the six most common types of metal staircase cladding projects we undertake at Haldane: what characterises each one, and what a specifier or contractor needs to understand before work begins.

1. Fabricated Steel Staircases

Fabricated steel is by far the most common substrate we work with. Structural steel stringers, carriages and newel posts form the skeleton of staircases across commercial offices, luxury residential developments, retail environments and institutions throughout the UK. In the vast majority of cases, the brief requires that skeleton to be hidden behind premium solid hardwood.

The scope typically encompasses treads, risers, string panels and soffits: the full cladding package that transforms a structural element into an architectural feature. Timber species is selected to suit the interior specification. European White Oak, American White Oak, Sapele and American Black Walnut are the most frequently specified.

The critical technical consideration on fabricated steel is differential thermal movement. Steel and solid timber expand and contract at different rates as temperatures change. Fixing systems must be engineered to accommodate this movement invisibly. Floating tread systems, slotted fixings and correctly specified adhesives mean joints remain tight regardless of seasonal variation. A fixing detail that ignores this reality will produce visible joint movement, squeaking underfoot and, eventually, structural failure of the cladding within a few years of installation.

The starting point on every fabricated steel project is a detailed survey of the as-built structure. Drawings and the structure as it actually was built are rarely identical, and the difference matters far more on a cladding job than most clients anticipate until they have experienced a project where it was overlooked.

2. Cantilevered Steel Tread Systems

The cantilevered staircase, where treads appear to float from a wall or central spine without visible support, is one of the defining details of contemporary luxury interior design. Architecturally, it is exceptionally striking. From a cladding perspective, it is among the more technically demanding briefs we receive.

The steel plates or profiled sections that form each cantilevered tread are fixed to a central steel spine or directly into a structural wall. The timber tread and nosing must then be precision-cut and fixed to each steel element, creating the clean, monolithic appearance of solid floating timber while concealing all fixings completely.

Two issues dominate the specification. First, each tread is a cantilevered element that deflects under live load. A person walking onto the tread causes a small but measurable movement at the free end. Cladding must be fixed in a way that accommodates this deflection without cracking or de-bonding. Second, the visual tolerance on a floating tread staircase is extremely tight. Any inconsistency in thickness, any visible fixing, any misalignment between treads reads immediately in a way it would not on a conventional closed-string stair.

Precision manufacture and careful fixing sequencing resolve both issues, but they must be designed in from the outset, not improvised on site.

3. Helical Steel Structures

If fabricated steel staircases represent the majority of our work, helical steel structures represent its most demanding end. A spiralling or helical steel frame, whether a tight residential helix or a wide sweeping commercial centrepiece, creates a cladding challenge of a different order entirely.

On a straight staircase, treads repeat. On a helical structure, no two treads share the same geometry. The plan dimensions change, the pitch changes, the rotation changes, and every string panel between flights is a continuously curved element that has never existed before and will never exist again. There are no standard profiles to fall back on. There are no repeatable parts. Every single component must be individually engineered and machined.

This is precisely the application our 5-axis CNC capability was built for. Rather than approximating complex geometry with a series of straight cuts, 5-axis machining produces continuously curved elements with the dimensional accuracy that helical work demands. The Fortnum and Mason double helix staircase, two intertwined helical flights rising through the Piccadilly flagship store, is the clearest illustration of what this capability makes possible on a project that most contractors decline at first sight.

For architects specifying helical stair cladding, the key question to ask any potential supplier is simple: can you manufacture every component individually, to the actual survey geometry of the structure? If the answer involves standard profiles, template sections or repeating units, it is the wrong answer.

4. Recladding Worn Metal Stairs

Not every metal staircase cladding project begins with bare steel. A significant proportion of the work we undertake involves replacing existing timber cladding that has reached the end of its serviceable life. Worn treads, delaminating risers, deteriorated string panels or cladding that was poorly specified or installed in the first place and has failed prematurely are all common starting points.

The process begins with a careful assessment of the existing structure. In some cases the underlying steel is sound and the original fixing system can be reused with modifications. In others, the fixing points have corroded, the steel geometry has shifted, or the original substrate preparation was inadequate. All of these issues must be resolved before new cladding is installed.

Removal must be managed carefully in occupied buildings to minimise disruption. Where the staircase remains in use during the recladding programme, a common requirement in commercial and hospitality environments, the work must be sequenced so that access is maintained at all times. This typically means working in sections or by individual flights.

The specification for replacement cladding is an opportunity to address weaknesses in the original installation. If the previous cladding failed due to inadequate movement allowance, inappropriate adhesives or poor acoustic isolation, these are corrected in the replacement design rather than replicated.

5. High-Footfall Steel Stairs

Commercial offices, retail environments, hotels, universities and healthcare buildings share a common challenge: their staircases are used by very large numbers of people, continuously, day after day. The timber cladding must withstand sustained heavy use without delamination, surface deterioration or structural movement, while continuing to look as good as it did on day one.

Several specification decisions are critical on high-footfall projects. Timber species selection must account for hardness and wear resistance, not just appearance. A species that performs beautifully in a private residence may not be appropriate for a retail flagship. Tread profiles, nosing details and finishes must be specified for durability and, where applicable, for compliance with slip resistance requirements.

Fixing systems must be robust enough to withstand the cumulative impact loading of heavy use. Any movement in the fixing, any looseness or flex that was acceptable at light domestic loads, will become progressive and audible under commercial footfall. The same principles of movement accommodation that apply to all metal staircase cladding apply here, but with less margin for error.

Finish specification also requires careful consideration. Site-applied finishes in occupied buildings carry risk. Solvent smells, drying times and protection requirements create disruption and programme risk. Where possible, we apply finishes in our factory and protect during installation, with only final touching-in required on site.

6. Cast Iron and Historic Metalwork

The oldest category of metal staircase cladding work is also the most constrained. Listed buildings and heritage environments throughout the UK contain original cast iron staircases: Victorian and Edwardian structures of considerable character and historic significance that are legally protected and must be treated with corresponding care.

The challenge is twofold. Architecturally, any new timber cladding must complement the original character of the ironwork rather than conflict with it. Practically, fixing details must be fully reversible. No permanent fixing into the cast iron, no adhesives that cannot be removed, no modifications to the historic fabric. Conservation officers and listed building consent requirements determine what is and is not permissible, and these constraints inform the fixing methodology from the outset.

Timber species selection should reference the original material where it can be established. Period staircases were frequently finished in mahogany, pitch pine or hardwood species that are less commonly specified today. Matching original profiles precisely, replicating mouldings and reproducing period nosing details requires the same 5-axis machining capability as complex contemporary work, but applied to historical reference rather than digital survey data.

The result, done well, is cladding that reads as original: sympathetic to the building’s character, respectful of its history and indistinguishable in quality from the work it sits alongside.

Choosing the Right Approach for Your Project

The six project types above share a common thread. Each requires a fixing strategy and manufacturing approach that is specific to the substrate, the geometry and the building’s use. There is no universal solution and no standard detail that applies across all metal staircase cladding work.

The most important step on any project is to engage a specialist early: before fixing details are assumed, before material quantities are estimated and, critically, before the staircase structure is installed. The decisions made at the design stage determine whether a staircase cladding project performs for decades or begins to fail within years.

Haldane has been delivering bespoke staircase cladding on metal structures across the UK for over 40 years. If you have a project at any stage, from early design intent to a structure already in place, we are happy to discuss what the right approach looks like.

Explore our staircase cladding capability

Alternatively, give us a call on 01592 775656 or contact us today.

Posted on May 4th, 2026 in Uncategorised

Haldane UK Welcomes Martin Cook as Senior Operations Manager to Drive Innovation and Growth

Haldane UK, the market leader in luxury timber handrails and CNC timber machining, is delighted to announce the appointment of Martin Cook as Senior Operations Manager.

With over 35 years of experience in the construction and manufacturing sectors, and a trained wood machinist, Martin brings a wealth of knowledge and expertise to the business at an exciting time of transformation.

Martin will play a pivotal role in delivering Haldane UK’s ambitious innovation and change plans, with the goal of doubling production capacity within the next three years.

His extensive industry experience will help to introduce fresh ideas and cutting-edge technology, further strengthening Haldane UK’s superior levels of quality and precision—hallmarks of the company’s reputation.

Managing Director Forrester Adam commented:
“We are thrilled to have Martin join the team. His technical expertise, leadership skills, and deep understanding of timber machining make him the perfect fit for Haldane UK. Our goal has always been to set the industry benchmark, and Martin’s appointment is another step towards raising the bar once again. With his guidance, we are confident that our production processes will become even more advanced, efficient, and customer-focused.”

Haldane UK is renowned for pioneering 5-axis CNC timber machining, ensuring a level of craftsmanship and precision that sets the standard in the industry. The company is committed to staying at the forefront of innovation, continuously evolving its technology and processes to enhance service to customers.

Speaking on his appointment, Martin said:
“I am excited to join a company with such a rich history of innovation and excellence. Haldane UK has a fantastic reputation, and I look forward to working closely with the team to build on that legacy—introducing new ideas and technologies to take operations to the next level.”

With Martin at the helm of operations, Haldane UK is set to reinforce its position as the go-to provider for luxury timber handrails, combining the latest technological advancements with time-honoured craftsmanship to create unrivalled products for architects, designers, and contractors.

For more information about Haldane UK’s products and services, please visit www.haldaneuk.com.

Posted on March 5th, 2025 in Uncategorised

Haldane UK Wins Outstanding Business of the Year Award

Haldane UK, the UK market leader for luxury timber handrails, bespoke timber staircases and CNC timber machining, is celebrating after winning the Outstanding Business of the Year Award at this year’s Fife Business Awards.

The Glenrothes based company was established in 1945. It became the first in the UK to use 5-axis CNC machining technology to machine luxury timber components, investing almost half a million in two machines in the early 1990s.

It has continued to pioneer new technology in the timber machining industry with revolutionary software, 3D digital scanning technology and employing world-class manufacturing techniques to offer new levels of quality and service to its customers.

These brought accolades and business awards at both local and national levels, culminating in the Queen’s Award for Enterprise.

The prestigious Outstanding Business of the Year Award is one of the most coveted awards in the area because it cannot be applied for.

It is an exclusive category awarded to a business that has demonstrated outstanding achievement and proven exemplary in its field.

Haldane UK’s Managing Director, Forrester Adam, commented, “This award recognises the enormous effort our team has consistently delivered over the last few decades to continually push the company forward and caps off an outstanding year for the company.”

He continued, “Thanks to the groundwork and determination during the difficult COVID period, Haldane has been breaking all of its sales records this year and is on track for its best-ever year in terms of sales orders.”

And with a burgeoning order book, Haldane UK is now setting its sights on the future by developing its “blueprint for growth”, which sees the formation of a new senior management team to drive progress as well as an apprenticeship programme that is set to kick off in the coming months.

For more information on Haldane UK, visit www.haldaneuk.com.

Posted on May 25th, 2023 in Uncategorised

Haldane Achieve Accoya Approved Manufacturer Status

Haldane UK has been pioneering the timber machining sector for over 30 since, since they became the first UK company to develop 5-axis technology and, in doing so, revolutionising the industry.

With its reputation for innovation and unrivalled timber expertise, Haldane has been a major supporter of Accoya for a number of years – advocating the use of this highly durable material for any external project.

Accoya’s Approved Manufacturer Programme was, therefore, a natural progression for Haldane as it reinforced its position as the UK’s market leader for luxury timber handrails and wooden columns.

Haldane UK’s Managing Director, Forrester Adam, explained: “Accoya is an incredible engineered material that not only meets all of our environmental requirements, it also comes with a 50-year warranty for above-ground external use.”

“And if that is not enough, It is a magnificently stable and predictable material for machining and woodturning, which is why we like working with it so much.”

He continued, “We are delighted to be accredited under the Accoya Approved Manufacturer Programme. Their support and training have been fantastic for the team in understanding just how far we can push things – giving our customers even more reasons to believe.”

For more information on Accoya and the Accoya Approved Manufacturer Programme, visit https://www.accoya.com/uk/why-accoya/

Posted on May 23rd, 2023 in Uncategorised

Haldane UK Completes Second Major Edinburgh Hotel in Summer 2022

Haldane has completed its second prestigious hotel project in a matter of months, demonstrating its expertise in the luxury hospitality and leisure sector, adding yet another major hotel brand to its growing portfolio of customers.

The hotel saw the redevelopment and refurbishment of three existing Grade A listed buildings in Edinburgh’s world heritage site to create a 5-star hotel with 225 rooms with the associated restaurant, bar and function facilities.

Haldane UK’s expertise in historic timber projects has previously been called upon by various projects, including Windsor Castle, Cameron House Hotel and numerous heritage properties across the UK.

Haldane manufactured and installed all luxury timber handrails for the hotel, including the double handrails to the feature atrium area, which overlooks the reception area, as well as the main feature staircase.

The project saw over 400 linear metres of luxury timber handrails in three different profiles and with 420 associated transitions and components, all expertly machined by Haldane UK’s CNC machining team.

Click here for more information on our luxury timber handrail solutions with unrivalled precision and accuracy.

Posted on August 28th, 2022 in Uncategorised

Capacity Key in Major Handrail Project for Edinburgh Hotel Project

Haldane UK has completed one of its most challenging projects for Edinburgh’s newest and most prestigious city centre hotels by manufacturing and installing luxury timber handrails for no fewer than 23 separate staircases in the property.

Faced with a challenging deadline to coincide with the city’s busy summer season and the world-famous Edinburgh Festival, the main contractor awarded Haldane UK the contract, stating, “Haldane was the only company which had the capacity, experience and expertise to meet the uncompromising specification of the client.”

The project involved the refurbishment and extension of two Category A Listed Buildings. Therefore extreme care had to be taken throughout the project to ensure any materials and restorations were carried out sympathetically and authentically.

Working closely with the main contractor, who liaised with the project stakeholders, Haldane UK called upon all of its timber machining capacity, including five 5-axis CNC machines, to deliver the project within the short lead times.

Haldane UK’s in-house installation teams and dedicated French Polishers were critical in delivering the project, as was the state-of-the-art technology the company has invested in.

The unpredictability of refurbishment projects can see slight nuances and unexpected conditions, which require alterations, reworks or additional components to planned works.

Haldane UK was able to use its 3D surveying equipment to digitise the environment and emailed directly to the programming team to allow components to be machined and despatched in a matter of hours.

The finished project befits one of the world’s leading hotel brands and is another iconic name in Haldane UK’s portfolio.

For more information on this project or to discuss your refurbishment project, contact us now on 01592 775656.

Posted on August 28th, 2022 in Uncategorised

DRY JOINTED TIMBER HANDRAIL REDUCES INSTALLATION COSTS

Haldane UK has demonstrated its ability to manufacture and supply superior quality timber handrails which have been dry jointed off-site ready for installation with its latest project for a luxury home in London.

Haldane manufactured 6.6 metres of profiled handrail in American White Oak with a 180 degree raking to horizontal wreath and a wreathed volute.

Working to a tight installation schedule with Apex Construction, Haldane UK were able to dry joint the entire handrail in their factory having carried out a full 3D survey of the metalwork.

As a result, Haldane was able to reduce the installation time by approximately 50% which enabled the client to meet their handover dates.

Posted on February 27th, 2022 in Uncategorised

BESPOKE TIMBER HANDRAILS IN 1 WEEK

Haldane UK has demonstrated its increased capacity for manufacturing and installing bespoke timber handrails by enabling a key client to have their project manufactured and installed in just 1 week to meet an urgent handover date.

Our client had found themselves in a difficult position with the handrails package being overlooked by the main contractor on the luxurious London property and was facing liquidated damages if the deadlines were not met.

Haldane’s contract handrail team worked closely with the client to use a combination of construction drawings and traditional templating to provide the necessary information to enable the handrail to be programmed and manufactured.

The bespoke profile handrail measured 45mm x 32mm with a 9mm rebate, with 23 linear metres of the straight handrail and 5 metres of horizontal curved handrail with 17 bespoke components consisting of various ramps and transitions all manufactured in European Oak.

After receiving the order on the Wednesday, Haldane UK’s team had started machining the timber within 36 hours and were on site by the following Tuesday with the handrail all shop-stained prior to despatch to begin the installation.

Haldane UK’s Managing Director, Forrester Adam, explained: “In addition to investing in an additional 2 new 5 axis CNC machines, we have completely redesigned the process from initial enquiry to final supply and install to streamline every operation.”

He continued, “Whilst we quote a standard lead time of 3 to 4 weeks from sign off of information, the new process and additional equipment enable us to help key clients, should the situation arise.”

Posted on February 27th, 2022 in Uncategorised

Haldane Expertise Featured in Timber Trades Journal

Haldane UK’s growing activity on the architectural joinery market and its bespoke staircase solutions have been featured in the Timber Trades Journal, the UK’s leading journal in the timber manufacturing industry.

The article looks at how Haldane UK is celebrating its 65th anniversary with new products, new technology and a growing demand for its traditional woodturning and timber machining services.

With stunning images from some of our recent projects including a luxury Gleneagles home, Arabic inscriptions in European Black Walnut and intricate wood machining, the double page spread makes for interesting reading.

Subscribers to the TTJ can access it online now from http://www.ttjonline.com/

Posted on February 25th, 2022 in Uncategorised