Intumescent Spray Painters

At Intumescent Spray Painters, we provide specialist fire protection coating services for structural steelwork and commercial buildings across the UK. 

Our intumescent spray systems are designed to improve fire resistance by protecting steel structures from rapid temperature increases during a fire.

Intumescent Spray Painters supports contractors, developers, property owners, and industrial clients by applying certified fire protection coatings that help buildings meet UK fire safety regulations while maintaining structural integrity in emergency situations.

Contact our team today for a free quote for your fireproof painting services.

Why Choose Intumescent Spray Painters?

Intumescent Spray Painters provides a fully compliant passive fire protection solution aligned with UK building regulations and industry standards. Intumescent Spray Painters supports compliance with Approved Document B, BS 476, and EN 13381 fire testing standards, ensuring structural steelwork achieves the required fire resistance period.

From a safety perspective, intumescent coatings expand when exposed to high temperatures, forming an insulating char layer around the steel. This slows heat transfer, helping structural elements maintain load-bearing capacity during a fire and providing additional evacuation time for occupants and emergency services.

Intumescent Spray Painters also ensures coatings are applied to the correct dry film thickness (DFT) based on section size, fire rating requirements, and environmental conditions. This guarantees that the fire protection system performs as specified during fire exposure.

In addition to safety and compliance, intumescent spray coatings provide an efficient and aesthetically practical solution for exposed steelwork. Unlike bulky board systems, spray-applied coatings maintain architectural design flexibility while delivering high-performance fire resistance.

By combining technical expertise, certified materials, and precise application methods, Intumescent Spray Painters delivers reliable fire protection solutions for commercial and industrial projects.

How Much Does Intumescent Spray Painting Cost?

The cost of intumescent spray painting typically ranges from £15 to £40+ per square metre.

The cost of intumescent spray paint coating depends on the required fire rating, steel section size, project scale, and site conditions.

Lower fire resistance periods such as 30 or 60 minutes generally require thinner coatings and lower application costs, while 90 or 120-minute fire ratings require increased coating thickness and additional material usage.

Project costs can also vary depending on access requirements, surface preparation, environmental conditions, and whether topcoat finishes are required.

Intumescent Spray Painters provides cost-effective fire protection by combining rapid application methods with long-term structural safety and compliance.

What does Intumescent Spray Painting Include?

Intumescent Spray Painters provides a complete fire protection coating service:

• Structural steel fire protection – Application of intumescent coatings designed to protect steel columns, beams, and framework from heat exposure during a fire
• Surface preparation and priming – Cleaning, preparation, and compatibility checks to ensure proper coating adhesion and long-term performance
• Airless spray application – High-efficiency spray systems used to achieve accurate and consistent coating thickness across large steel areas
• Dry film thickness testing (DFT) – Precise measurement and quality control testing to verify compliance with specified fire ratings
• Fire resistance ratings – Systems designed to achieve 30, 60, 90, or 120-minute fire protection requirements
• Protective topcoat finishes – Optional decorative or protective finishes for internal or external environments
• Site-based and off-site application – Fire protection coatings applied either on-site or within controlled workshop environments
• Inspection and certification support – Documentation and testing records provided to support compliance inspections and project handover

Each system is specified according to structural requirements, environmental conditions, and regulatory standards.

What is The Intumescent Spray Painting Process?

The process begins with a review of the project specifications, including steel section sizes, required fire resistance periods, and environmental exposure conditions. Intumescent Spray Painters then calculates the required coating thickness based on certified manufacturer data.

Steel surfaces are inspected and prepared to ensure compatibility with the chosen intumescent system. Primer coatings are checked or applied where necessary before the intumescent coating is sprayed using specialist airless application equipment.

Once applied, coating thickness is measured and inspected throughout the process to ensure compliance with the required fire rating. If specified, a protective topcoat is then applied to improve durability or appearance.

Final inspection reports and compliance documentation are issued upon completion, providing evidence that the system has been applied in accordance with approved specifications.

What Types of Projects Benefit from Intumescent Spray Painting?

Intumescent Spray Painters supports a wide range of commercial, industrial, and public-sector projects:

• Commercial office developments – Fire protection for exposed structural steel within office buildings and business centres
• Industrial and warehouse facilities – Protection for steel frameworks in manufacturing plants and logistics environments
• Retail and shopping centres – Fire-resistant coatings for open-span steel structures and public spaces
• Educational buildings – Passive fire protection systems for schools, colleges, and universities
• Healthcare facilities – Fire-rated steel protection for hospitals and healthcare environments
• Residential developments – Structural fire protection for apartment blocks and mixed-use buildings
• Transport and infrastructure projects – Fire-resistant coatings for public transport hubs and engineering structures

Each system is tailored to the fire strategy and structural requirements of the project.

How Long does Intumescent Spray Painting Take?

Project timescales depend on the size of the structure, coating specification, drying times, and site conditions. Smaller projects may be completed within a few days, while large commercial or industrial developments can require several weeks.

Intumescent Spray Painters uses efficient spray application techniques and structured project management to minimise programme delays while maintaining coating quality and compliance standards.

How does Intumescent Spray Painting Ensure Fire Safety Compliance?

Intumescent Spray Painters ensures compliance by using certified fire protection systems tested in accordance with BS 476 and EN 13381 standards. Coatings are applied to manufacturer-specified thicknesses based on the required fire resistance period and steel profile dimensions.

Quality assurance procedures include wet film and dry film thickness testing, adhesion checks, and inspection reporting to confirm system performance. Documentation is provided to support building control approval, fire strategy compliance, and project certification requirements.

Our approach ensures structural steelwork achieves the required fire protection performance while remaining compliant with UK fire safety legislation.

When do You Need Intumescent Spray Painters?

Intumescent spray painting is required when structural steelwork must achieve a specific fire resistance period as part of a building’s fire protection strategy. It is commonly required in commercial, industrial, public, and residential developments where exposed steel structures are used.

Intumescent Spray Painters supports projects during new construction, refurbishment, change-of-use developments, and fire compliance upgrades.

Whether protecting a small steel frame or a large commercial structure, intumescent spray coatings are essential for maintaining structural stability and meeting fire safety regulations.

Get a Quote from Intumescent Spray Painters

If you require certified fire protection coatings for structural steelwork, Intumescent Spray Painters can provide a tailored solution designed around your project specifications and compliance requirements.

We offer professional application, quality-controlled installation, and transparent pricing to help you achieve reliable passive fire protection for your building. Contact Intumescent Spray Painters today to discuss your project and request a personalised quotation.