Specialist Coatings
Fire-Resistant Coatings & Intumescent Spray Painting
Protecting Buildings with Specialist Fireproofing Solutions
At London Sprayers, we specialise in fire-resistant coatings designed to support structural fire protection and limit surface flame spread, depending on the system. Our intumescent coatings, fire-retardant paints, and specialist protective finishes are applied to agreed specifications for commercial, industrial, and residential buildings.
With our expert application process and use of specified, high-performance coatings, we follow the agreed system requirements while taking care over the finish and durability of the coated surfaces.



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Request a free quote by sharing the details of your project. We’ll give you a personalised price estimate and, once you’re satisfied, schedule a date that works for you.
Before starting the job, we take care of all health and safety requirements, and general job organisation to keep everything running smoothly. On the day, we complete the work carefully and make sure it’s finished to a high standard.
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We’ve worked with some of the biggest names in the industry, delivering high-quality spray painting solutions across a wide range of projects. From commercial properties to industrial sites, we use suitable coatings and materials to meet the agreed specification, with care over preparation and finish.
Committed to Safe Working. Training. Planning. Site Care.
Quality work starts with safety. Our team follows project-specific health and safety procedures, with training and credentials relevant to the work. From working at height to site protection and environmental controls, we plan our activities around the agreed scope. Company accreditations do not certify a building’s fire performance.
Why Choose Fire-Resistant Coatings?
Slows Fire Spread – Suitable fire-retardant coatings can limit surface flame spread.
Supports Structural Fire Protection – Helps delay heating of protected steel during a fire.
Supports Fire Safety Requirements – Applied to the project’s agreed fire protection specification.
Durable & Weather-Resistant – Interior or exterior systems selected for the intended exposure.
Cost-Effective Fireproofing – A coating-based option within a passive fire protection strategy.

Fire-resistant coatings & intumescent spray painting for commercial, industrial, and residential buildings. Specialist fireproofing applications to an agreed project specification.
Fire-Resistant Coating Services We Offer
Intumescent Coatings for Structural Steel
Intumescent fireproof coatings expand when exposed to heat, creating an insulating barrier that delays steel heating. Systems may be specified for 30, 60, or 120 minutes, depending on the steelwork and supporting evidence. We apply thin-film coatings to beams, columns, and load-bearing structures to the agreed specification, using relevant BS 476 or EN 13381 system data.
Fire-Retardant Paint for Walls & Ceilings
Our fire-retardant coatings can be applied to suitable plasterboard, concrete, timber, and existing painted surfaces where the system evidence supports the use. They can improve surface reaction-to-fire performance in commercial buildings, offices, and public spaces, subject to the specification.
Fireproof Coatings for Wood & Timber
We offer clear and coloured fire-resistant coatings for suitable wood surfaces. Often called fireproof coatings, their performance depends on the tested substrate and system. Door and panel upgrades require supporting evidence for the complete assembly.
Cementitious Fireproofing for Industrial Sites
For large-scale warehouses, factories, and industrial units, we apply specified cementitious fireproof coatings for steel and concrete structures, subject to system and substrate suitability.
Thermal Barrier Coatings for High-Heat Resistance
Our thermal barrier coatings (TBCs) provide insulation for specified high-temperature applications. Heat resistance alone does not demonstrate a tested fire-resistance rating.
Our Process – How We Apply Fire-Resistant Coatings
1. Surface Preparation
- Cleaning, degreasing, and priming surfaces as required by the specified system.
- Masking and protecting surrounding areas from overspray.
2. Application of Fire-Resistant Coating
- Spray application of intumescent or fire-retardant coatings using airless spray technology.
- Coats applied to achieve the film build required by the agreed specification.
3. Quality Control & Application Checks
- Coating thickness checks against the agreed system and manufacturer’s instructions.
- Final application checks and agreed records provided on completion.
What Are Fire-Resistant Coatings and Why Do You Need Them?
Fire-resistant coatings, often called fireproof coatings, can contribute to protection for structural steel, wood, and other materials; they do not make a building fireproof. For commercial buildings, warehouses, offices, and residential properties, the required protection comes from the project’s fire strategy and specification. Intumescent coatings expand when exposed to heat, creating an insulating layer that helps delay heating of the protected material.
Investing in suitable fire-resistant coatings supports the project’s fire protection measures when the system is correctly applied and maintained.
How Intumescent Coatings Provide Fire Protection for Steel & Structures
Structural steel loses strength as its temperature rises during a fire. Intumescent coatings expand to form a protective char layer that insulates the steel and delays heating. Systems may be specified for 30, 60, 90, or 120 minutes, depending on member sizes, design information, assessed product data, coating thickness and exposure conditions. The rating relates to the specified system, not paint alone.
Our spray-applied intumescent work follows the agreed specification, supported by relevant BS 476 or EN 13381 system evidence where applicable.
Fire-Retardant Paint for Walls, Ceilings & Wood Surfaces
Fire-retardant coatings can improve the reaction-to-fire performance of suitable walls, ceilings, doors, and timber surfaces, helping limit surface flame spread. For fireproofing in office spaces, hotels, or public buildings, the substrate, coating system and required classification must be confirmed. Class 0 and Class 1 appear in older specifications; they do not on their own establish compliance. Clear or coloured finishes can suit modern and heritage buildings where the system evidence supports the application.
Cementitious & Thermal Barrier Coatings for Industrial & High-Heat Environments
For warehouses, manufacturing plants, and industrial facilities, specified cementitious fireproofing can provide passive fire protection for steel and concrete structures. These spray-applied systems insulate the substrate and reduce heat transfer within their assessed use. Thermal barrier coatings serve specialist high-heat applications, including some storage, power plant and aerospace uses; heat resistance alone does not establish a building fire-resistance rating.

Why Choose London Sprayers?
Experienced in Fireproofing & Protective Coatings – Specialists in intumescent, fire-retardant, and thermal coatings.
Specified Systems & Application Records – We follow the agreed coating specification and record our work.
Minimal Disruption – Efficient service, with access and scheduling agreed around your business operations.
Durable, Long-Lasting Protection – Coating systems selected for the intended environment and maintenance needs.
Request a Fire-Resistant Coating Quote Today
We provide expert fire-resistant coating solutions across London and the UK. Contact us today to discuss your fireproofing requirements and get a free consultation.
Who We Work With
We provide fire-resistant coating services for:
✔️ Commercial & Industrial Buildings – Warehouses, factories, retail stores, and office blocks.
✔️ Residential Properties – Flats, HMOs, and new-build developments.
✔️ Hospitals & Schools – Supporting specified fire protection works in public buildings.
✔️ Heritage & Listed Buildings – Providing discreet fireproofing options, subject to system suitability and required consents.
Keyword Focus
- Fire-resistant coatings London
- Intumescent spray painting services
- Fireproof coatings for commercial buildings
- Fire-retardant paint application UK
- Thermal barrier coatings for industrial use
- BS 476 test evidence for fireproof coatings

Have questions in mind?
Read our FAQs below.
Fire-retardant paints are used to improve a surface’s reaction to fire, such as limiting flame spread. Intumescent coatings swell when heated to form an insulating char; the supported performance depends on the product, substrate and complete coating system.
Fire-resistant coating lifespan varies with the product, environment, application and maintenance. Intumescent coatings for steel and fire-retardant paints should be inspected and maintained in line with manufacturer guidance. Damage, water exposure or later overcoating can affect performance.
Fire protection requirements depend on the building and proposed works. Intumescent or fire-retardant coatings may form part of the specified solution, but are not required on every project. The responsible designer confirms the applicable fire performance and system.
Yes, where a suitable system is available for the substrate and existing coatings. Our fireproofing work can include steel, timber, walls, ceilings and industrial surfaces, subject to project requirements. We review preparation and compatibility before agreeing the application.
Application time depends on surface area, preparation, coating thickness and site conditions. Drying times between coats also affect the programme, alongside access and other trades. Airless spray application can speed coverage, and we confirm likely timings after reviewing your project.
Not necessarily. Fire-retardant coatings may offer clear or coloured finishes, depending on the system and substrate. Intumescent coatings can be left exposed where permitted or finished with a compatible topcoat listed for the system, subject to colour and sheen availability.

Compatible Colour Options

Fast & Seamless Service
Our service is designed to be fast and seamless from start to finish, prioritising your convenience and satisfaction throughout the project.
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Client Satisfaction

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Workmanship Warranty
Any workmanship warranty is confirmed in writing for your project, with its scope and conditions. It is not a guarantee of fire performance.

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