Introducing handheld fibre laser welding means working within a framework of UK health and safety legislation, recognised laser safety standards and relevant industry guidance. The principal laser safety standard is the BS EN 60825 series, industrial handheld laser welders are typically Class 4 products, and work equipment is also governed by the Provision and Use of Work Equipment Regulations 1998 (PUWER). This page sets out that regulatory framework — what the standards cover, the duties they place on employers, and how engineering controls such as a Class 1 enclosure change the compliance picture.
This page is about the standards and regulations themselves. For the day-to-day operational measures — PPE, safe systems of work and how operators stay protected — see the laser welding safety requirements page. For broader context on welding standards across processes, see our standards guides, and return to the laser welding hub for the full topic.
What standards apply to handheld fibre laser welding?
Handheld fibre laser welding should be implemented with consideration of applicable UK health and safety legislation, recognised laser safety standards and relevant industry guidance. The standards that apply will depend on the equipment, the workplace and the intended use, so there is no single checklist that fits every installation.
In practice, the framework draws on three strands: the BS EN 60825 laser safety standard, general work equipment law under PUWER, and the employer’s own laser risk assessment. Weldability SIF helps customers understand the practical requirements for introducing laser welding safely and responsibly.
What is BS EN 60825 and why does it matter?
BS EN 60825 is the principal series of standards covering the safety of laser products. It includes guidance on laser classification, the user information a manufacturer must provide, and the measures that help reduce the risk of exposure to hazardous laser radiation.
The standard matters because it provides a recognised framework for understanding laser hazards and implementing appropriate safety measures. For a business introducing handheld fibre laser welding, it supports decisions about operator safety, equipment selection and workplace controls — giving you a common reference point rather than relying on judgement alone.
What is laser classification?
Laser products are classified according to the level of accessible laser radiation they may emit during normal operation. The classification ranges across Classes 1 to 4, and it tells you, at a glance, how hazardous a piece of equipment is and what controls it demands.
Industrial handheld laser welders, such as the HP Fiber systems supplied by Weldability SIF, are typically Class 4 laser products. That means appropriate engineering controls, operator training and safe systems of work are essential rather than optional.
What is a Class 4 laser?
A Class 4 laser is capable of producing hazardous laser radiation and requires suitable control measures to protect operators and anyone nearby. Because of the potential risks, Class 4 equipment should only be used by trained personnel following appropriate safety procedures.
Knowing the classification is what drives the rest of your compliance decisions: it supports the selection of suitable PPE, engineering controls, signage and safe working procedures. Get the classification right and the necessary controls follow logically from it.
What is a laser risk assessment?
A laser risk assessment identifies the hazards associated with laser equipment and evaluates the control measures needed to reduce those risks. It should consider the laser equipment, the working environment, operator activities, access to the area and emergency procedures.
Every workplace is different, so the assessment is central to compliance. It helps ensure the equipment is used safely within its intended environment and that suitable controls are in place before any work begins. Concepts such as the Nominal Ocular Hazard Distance (NOHD) — the distance within which direct or reflected laser radiation may present a hazard to the eye — feed into this planning, informing decisions about enclosures, barriers, controlled access and operator positioning.
What is a controlled laser area?
A controlled laser area, sometimes described as a laser controlled zone, is a designated space where access is managed while laser equipment is operating. The aim is to protect operators, employees and visitors by limiting exposure to laser hazards and ensuring appropriate safety procedures are followed.
Typical measures include restricted access, warning signs, suitable PPE and engineering controls appropriate to the application. Warning signs inform employees and visitors that laser equipment is in operation, but signage should form part of a wider laser safety management system rather than being relied upon as the sole control.
How does a Class 1 enclosure change the compliance picture?
Engineering controls reduce risk through physical design, such as enclosed laser booths or interlocked safety systems. Administrative controls — procedures and training — remain important, but engineering controls generally provide a more reliable means of reducing exposure because they do not depend on people remembering to follow a procedure.
A Class 1 laser enclosure, such as the Cepro Unisonic safety booth supplied by Weldability SIF, helps contain the laser process within an enclosed environment during normal operation. Because the radiation is contained, this can simplify workplace safety arrangements and reduce the likelihood of accidental exposure outside the enclosure — often the single most effective step a business can take to manage a Class 4 process responsibly.
Does PUWER apply to laser welding equipment?
The Provision and Use of Work Equipment Regulations 1998 (PUWER) apply to work equipment used in the workplace, including laser welding equipment. Among other things, PUWER requires equipment to be suitable for its intended use, properly maintained and used by appropriately trained people.
Businesses should consider how these requirements apply to their specific circumstances. In practice this means routine inspection and maintenance — checking that safety systems, interlocks, optics and other components continue to operate as intended — alongside following the manufacturer’s recommendations throughout the life of the equipment.
Why is operator training so important?
Training helps operators understand machine operation, laser hazards, emergency procedures and safe working practices. Proper training supports both productivity and the safe use of handheld fibre laser welding equipment, and it underpins the “appropriately trained people” requirement in PUWER.
What records should be kept for laser welding?
The records required depend on your business and risk assessment, but many organisations keep documentation such as:
- Risk assessments
- Operator training records
- Maintenance records
- Equipment manuals
- Inspection reports
- Safe operating procedures
Maintaining accurate records helps demonstrate good safety management and shows that the duties under PUWER and your risk assessment are being met in practice.
How does Weldability SIF support compliant laser welding?
Safe implementation is central to the Weldability SIF approach. The business employs a Certified Laser Safety Officer (LSO), who provides practical guidance on risk assessments, operator training, engineering controls and safe systems of work — supporting customers throughout implementation rather than simply supplying equipment.
By combining HP Fiber laser systems, Cepro Unisonic Class 1 laser safety booths and the expertise of a Certified Laser Safety Officer, Weldability SIF helps businesses introduce handheld fibre laser welding safely and confidently, from the planning stage through installation and commissioning.
The information here is intended as general guidance only and should not be relied upon as legal or regulatory advice. The controls required for any laser welding installation depend on your specific equipment, workplace and risk assessment. If you need help implementing handheld fibre laser welding safely, the Weldability SIF team, including our Certified Laser Safety Officer, can provide practical guidance tailored to your application.