Many of the UK’s industrial buildings were constructed or refurbished during a period when lead-based paint was the standard choice for protecting surfaces against corrosion, weathering, and heavy wear. While regulations have largely removed lead compounds from commercially available coatings, the legacy of older paint systems remains a concern for property owners, facility managers, and anyone planning refurbishment work.
We explain why lead paint was so widely used in industrial settings, where it is most commonly found, the health risks it presents, and how those risks should be managed under current UK legislation.
Why Was Lead Paint Used in Industrial Buildings?
Lead compounds were valued across the construction industry for the exceptional performance they delivered. When added to paint or varnish, lead produced a tough, durable film with high opacity and strong hiding power. The resulting coatings were scratch-resistant, easily cleaned, and offered reliable protection against water, heat, UV radiation, mildew, and corrosion.
These properties made lead paint an obvious choice for industrial environments where surfaces face constant punishment. Factories, warehouses, and manufacturing facilities required coatings that could withstand harsh conditions and last for years without frequent maintenance. Lead-based primers were particularly important for protecting structural steelwork and metal components from rust and deterioration.
The durability of lead paint also meant that it could often be surface-prepared and overpainted without full removal, which is why multiple layers of historic coatings are frequently discovered during refurbishment projects in older industrial properties.
Where Is Lead Paint Found in Older Industrial Buildings?
Lead paint can be present across a wide range of surfaces in industrial buildings constructed or decorated before the early 1980s. Lead pigments were widely used in paints for commercial and industrial properties until the 1960s, and lead was not fully removed from all commonly available paints until the early 1980s. This means it can be found beneath existing paintwork in many older structures.
Common locations include:
- Structural steelwork, beams, and columns. Red lead and other lead chromate primers were routinely applied to protect steel against corrosion, often in multiple coats over the life of the building.
- Window frames, doors, and decorative trims. These high-wear surfaces frequently received lead-based gloss paints for their durability and ease of cleaning.
- Exterior cladding and rainwater goods. Exposed metalwork and external surfaces benefited from lead paint’s weather resistance.
- Railings, fire escapes, and pipework. Any metal component requiring a tough, long-lasting barrier is likely to have received lead-based coatings at some point.
- Walls and ceilings in production areas. Industrial-grade paints with lead compounds were applied to interior masonry and plasterwork in factories and workshops.
It is important to recognise that lead paint may not always be visible. Layers of newer, non-lead paint applied over the decades can conceal the hazard beneath a seemingly safe surface. Routine activities such as opening windows, carrying out minor repairs, or general wear and tear can disturb underlying layers and release lead-contaminated dust.
Older buildings may also contain other toxic heavy metals and metalloids within their paint systems, including cadmium, chromium compounds, copper arsenate, and even mercury. The presence of multiple hazardous substances within accumulated paint layers is not uncommon and should be considered during any risk assessment.
What Are the Health Risks of Lead Paint Exposure?
Lead is absorbed into the body primarily through inhalation of dust or fumes and through ingestion, for example when workers eat, drink, or smoke without first washing their hands and face. Once absorbed, lead circulates in the blood before accumulating mainly in bones and dentine, where it can remain stored for decades.
Short-Term Symptoms
Workers who disturb lead paint during stripping, sanding, or preparation work may experience a range of immediate symptoms. These include fatigue, headaches, dizziness, loss of appetite, nausea, abdominal pain, constipation, mental impairment, joint and muscle pain, and tingling sensations in the hands.
Long-Term Health Effects
If the level of lead in the body rises too high or accumulates over time, more serious conditions can develop. Lead is a neurotoxin capable of causing irreversible damage to the brain and nervous system. Continued uncontrolled exposure can lead to anaemia through damage to red blood cells, kidney disease, hypertension, and nerve damage.
Vulnerable Groups
Children and pregnant women face the greatest risk. Developing neural systems and brains are especially susceptible to lead, and even low-level exposure has been associated with IQ reduction, developmental delays, learning difficulties, and behavioural problems in young children.
What Does UK Legislation Require?
UK legislation governing lead exposure from paint is spread across several pieces of regulation, which can make compliance feel complex. Understanding the key requirements is essential for anyone responsible for managing or refurbishing older industrial properties.
The Control of Lead at Work Regulations 2002
The Control of Lead at Work Regulations 2002 (CLAW) places a duty on employers to protect workers and any other persons against the risks from lead. Where there is potential for significant exposure, the full requirements of CLAW are triggered, including risk assessment, medical surveillance, and air monitoring.
CDM Regulations 2015
The Construction (Design and Management) Regulations 2015 require principal designers and contractors to identify and, where possible, eliminate foreseeable health and safety risks. Lead paints and special coatings are specifically mentioned as potentially hazardous materials that must be addressed during planning.
COSHH Regulations
COSHH is relevant to other toxic metals found in paint. Any refurbishment project in an older industrial building should consider the full range of hazardous substances that may be present within accumulated paint layers.
How Should Lead Paint Risks Be Managed Safely?
Lead paint that is in good condition or encapsulated beneath newer non-lead coatings is unlikely to present a hazard provided it remains undisturbed. However, any redecoration, refurbishment, or alteration work represents a potential risk of exposure or environmental contamination.
Assessment and Identification
Professional identification should be carried out before any work begins that may disturb older paint systems. Laboratory paint chip analysis provides reliable results on a mass-mass basis. Identifying the general levels and distribution of toxic substances within the paint layers informs the risk assessment and helps determine appropriate controls.
Practical Control Measures
The lowest risk options are associated with minimally invasive procedures. Key control measures include:
- Leaving sound paintwork in place. Where lead paint is in good condition and covered by non-lead coatings, it may be safest to prepare the surface for overpainting using wet abrasive paper rather than stripping back to bare substrate. Only strip old paint if it is flaking, chipping, or producing dust.
- Choosing safer work methods. Chemical paint strippers, wet abrasive paper, on-tool extraction with H or M class units, and infrared equipment all reduce the generation of airborne dust compared with dry sanding or heat stripping. Temperatures should be kept below 500°C, and blow lamps or gas torches should not be used on leaded paint.
- Wearing appropriate RPE. Respiratory protective equipment with an assigned protection factor of at least 20, such as FFP3 disposable masks or half masks with P3 filters, should be worn. For longer duration work, powered RPE is recommended. Tight-fitting masks require face fit testing.
- Preventing spread. Plastic sheeting should be used to separate the work area and cover surrounding surfaces. Contaminated waste must be disposed of safely, and thorough cleaning of all surfaces should follow completion of work.
- Protective clothing and hygiene. Disposable coveralls and washable or disposable gloves should be worn and removed before leaving the work area. Hands and forearms must be washed before eating, drinking, or smoking. Contaminated clothing should never be taken home.
Encapsulation and Removal
Encapsulating lead paint with a durable coating or sealant may reduce immediate risk in some situations. Full removal, carried out with appropriate containment and controls, provides the most thorough long-term solution. In either case, the method chosen should be guided by the risk assessment and tailored to the specific conditions of the building and the work being undertaken.
Working With Halls Decorators on Older Industrial Properties
Halls Decorators bring over 50 years of experience in the painting and decorating of industrial and commercial buildings across Yorkshire, Greater Manchester, and Lancashire. Our team holds CHAS accreditation and carries CSCS, IPAF, PASMA, and SSSTS certifications, reflecting our commitment to rigorous health and safety standards on every project.
We understand the challenges that come with refurbishing older industrial properties, from identifying hazardous paint systems to selecting the right preparation methods and specialist coatings for long-lasting protection. Our decorators are happy to advise on the most suitable materials and approaches for your specific situation, working closely with you to deliver results that meet both safety requirements and your operational needs.
Whether your project involves structural steelwork or factory interiors, we work to tight deadlines while keeping disruption to your daily operations at an absolute minimum. For professional guidance on your next industrial painting project, contact our team today for a consultation.