Stonemasonry has always carried risk, but the nature of that risk has changed sharply. The slab that crushes someone is still a danger. The dust that kills them twenty years later has become the bigger one — and in May 2026 the Health and Safety Executive made clear it intends to do something about it.
This article covers the hazards of stone working, what changed in 2026, and what employers and self-employed masons need to have in place now.
HSE is inspecting this sector right now. In May 2026 HSE published its first COSHH guidance sheet written specifically for engineered stone, backed by a nationwide programme of more than 1,000 visits to fabricators across Great Britain running through 2026/27, with enforcement action where standards are not met.
The guidance is not legislation, but it sets the standard of care expected. An employer who has not implemented the controls it describes will struggle to defend that position — to an inspector, or in a civil claim.
Why engineered stone changed everything
Natural stone contains crystalline silica — sandstone and granite considerably more than limestone or marble. Engineered stone, the quartz-and-resin material used in most modern kitchen and bathroom worktops, can contain up to 95% crystalline silica. That is roughly three times the content of granite.
Cut, drilled or polished dry, it produces respirable crystalline silica: particles fine enough to reach deep into the lungs and invisible to the naked eye. Inhaled repeatedly, it causes silicosis — irreversible scarring of lung tissue — along with COPD and lung cancer.
The UK reported no artificial stone silicosis cases until mid-2023, when eight men were referred to a London occupational lung disease unit. There are now more than fifty confirmed cases and at least four deaths, including a fabricator diagnosed at 48 who died in 2024. Clinicians have begun describing it as the asbestos of the 2020s. Australia banned engineered stone outright in July 2024; the UK has chosen tighter enforcement rather than prohibition.
Controlling stone dust: the order that matters
This is where many workshops get it backwards. Masks are not the answer to dust; they are what remains after you have done everything else.
First
Eliminate the cutting
Use prefabricated worktops cut to size off site, so there is no dry processing at the customer’s kitchen. The dust you never create needs no controlling.
Then
Water suppression
Wet cutting is now the expected standard. Dry cutting engineered stone is not defensible. Water has to reach the blade properly and be maintained — a trickle is not suppression.
Then
Extraction
On-tool extraction and, in workshops, local exhaust ventilation. An M-class vacuum is not a substitute for a properly designed booth — they capture different things.
Last
Respiratory protection
FFP3 as a minimum, and only ever alongside the controls above. RPE protects one person, only when worn correctly, and only if it fits — which means face fit testing and being clean shaven.
Controls have to be proved, not assumed. COSHH requires local exhaust ventilation to undergo thorough examination and testing at least every 14 months, with records kept. Extraction that has quietly lost performance looks and sounds exactly like extraction that works.
Also worth knowing: dry sweeping and compressed air put settled dust straight back into the air. Wet methods or an M-class vacuum only.
The other hazards of stone work
Hand-arm vibration
Grinders, polishers and cutting tools are among the highest-vibration equipment in regular use. Damage is cumulative and permanent: numbness, loss of grip, pain, cold sensitivity, spreading up the arm.
The Control of Vibration at Work Regulations 2005 set an exposure action value and an exposure limit value, and require health surveillance where the action value is likely to be exceeded. HAVS training covers how exposure is calculated and controlled.
Noise
Cutting and dressing stone routinely exceeds the action levels in the Control of Noise at Work Regulations 2005. Hearing loss is irreversible, and tinnitus that arrives is unlikely to leave.
If you have ringing in your ears after a shift, or struggle to follow conversation in a noisy room, that is damage already done. Noise awareness training covers action levels and protection.
Manual handling and slabs
Stone is heavy, awkward, and can fracture unpredictably along natural fissures. Crush injuries from toppling slabs are the acute risk that everyone recognises.
Store slabs in purpose-built A-frames or racks rather than balanced on edge; keep others clear while moving; check straps and slings before unloading; and use mechanical aids in preference to muscle. Manual handling training applies, but so does designing the lift out.
Working at height
Conservation, restoration and facade work put masons on scaffolds and access equipment, often on historic structures where the fabric itself is uncertain.
The Work at Height Regulations 2005 require competence for the work undertaken. Working at height training covers planning, equipment selection and inspection.
Health surveillance is not optional
Silicosis, HAVS and noise-induced hearing loss share an unhelpful characteristic: by the time symptoms appear, the damage is done and cannot be undone. Health surveillance exists to catch them earlier than the worker would.
Where exposure could cause an identifiable disease and there is a valid way of detecting it, COSHH and the vibration and noise regulations require surveillance. For stone work that typically means lung function testing, HAVS assessment and audiometry. Whether it applies to you comes out of your risk assessment — which is one more reason the assessment has to be done properly rather than copied.
What to do before an inspector arrives
- Stop any dry cutting of engineered stone. This is the single thing an inspector will look for first.
- Check your water suppression actually works at the blade, on every machine, every day.
- Find your LEV examination records. If the last thorough examination was more than 14 months ago, that is a gap you can close this week.
- Face fit test everyone who wears RPE, and record it. An untested mask on a bearded face is decoration.
- Review the COSHH assessment against what people actually do, not what the method statement says.
- Check health surveillance is in place for dust, vibration and noise, and that someone is acting on the results.
- Train the people doing the work — on why the controls exist, not only on how to use them. Controls get bypassed when nobody understands the point of them.
Training for stone and dust risks
Silica awareness, COSHH, HAVS, noise and LEV management — the courses that address the hazards on this page.
Common questions
Is engineered stone banned in the UK?
No. Australia banned the manufacture, supply and use of engineered stone in July 2024 and extended it to imports in January 2025. The UK has taken a controls-based route instead — specific COSHH guidance, tighter expectations and an active inspection programme. Campaigners continue to press for a ban, so the position is worth watching.
Is natural stone safe by comparison?
Safer is not safe. Sandstone and granite carry substantial silica content, and the controls are the same. Engineered stone is more dangerous because of concentration, not because natural stone is harmless — masons working sandstone have developed silicosis for a very long time.
Is a dust mask enough?
No, and relying on one is the clearest sign a workshop has not understood the problem. COSHH requires exposure to be prevented where reasonably practicable and adequately controlled where it is not. RPE sits at the bottom of that hierarchy because it protects only the wearer, only when worn, and only if properly fitted. It supplements suppression and extraction; it does not replace them.
I’m self-employed. Does this apply to me?
Your health is affected in exactly the same way, and where your work poses a risk to others the general duties still apply. Practically, the bigger issue is that clients and principal contractors increasingly ask to see COSHH assessments, face fit records and training certificates before letting anyone on site.
What does enforcement actually look like?
Improvement notices first, then prosecution where they are ignored. A Doncaster stonemasonry firm was fined around £18,000 plus costs in January 2025 after repeatedly failing to protect workers from respirable crystalline silica — served with seven improvement notices, five of which had not been actioned by the time inspectors returned. Civil claims from affected workers are a separate and growing exposure.
Related training
Dust and health risks
Site and construction
This page is general guidance and does not replace HSE guidance, the COSHH Regulations 2002, or your own risk assessment. HSE guidance on engineered stone is developing — check the current position before relying on any summary.