- There are no more items in your cart
- Shipping Calculated at checkout
-
Sub-Total (inc. VAT)
£0.00
Need Help?
Intumescent Paint for Steel
Rawlins Paints offers intumescent paint for steel in over 4,400 colours, providing up to 120 minutes of fire protection. Stocking the UK's leading fire retardant paint and intumescent coating brands, we ensure compliance with fire safety regulations while offering a high-quality finish for structural steel. Contact our Technical Team for expert product support, to get a quote, or to determine the correct amount of paint needed for different steel shapes/members.
Bollom Brosteel Ultra 60
A new and improved revolutionary thin-film waterborne white intumescent paint for standard, interior structural steel members, providing 30 minutes fire protection in only one coat and 60 minutes in two coats - see below for details. For internal use only Water-based - quick drying thin-film intumescent coating Certificate of Conformance...
Thermoguard Thermocoat WI Ultimate
Interior use, water-based intumescent paint system, providing up to 90 mins fire resistance to structural steel and cast iron with a minimum number of coats. Optimised for Universal Beams, Columns and other open section steel: See Thermoguard Thermocoat WO Ultimate for steel hollow sections: For protection to exterior environment...
Zeroflame Aquasteel WB+
White thin-film waterbourne intumescent coating with new and improved formula to provide 30 and 60 minutes fire resistance on standard structural steel members in internal environments. It provides an easier and more efficient alternative to cladding steel members in plasterboard. New improved formula Achieves both 1/2 hour and 1 hour fire...
Nullifire SC802 On-Site Water-Based Intumescent Basecoat
A water-based, white, thin film intumescent coating for the protection of internal structural steelwork. Nullifire SC802 can provide up to 60 minutes fire resistance. Includes Optifire+ technology - reliable and traceable fire protection Please Note: We strongly recommend Tricomb Plastic Wet Film Gauges are used to help ensure correct...
Thermoguard Thermocoat WO Ultimate
Water-based intumescent paint system providing fire resistance to structural steel and cast iron with a minimum number of coats. A compatible decorative overcoat system ensures the system will enhance the building’s architectural and design features. Optimised for CHS, SHS and RHS hollow sections See Thermoguard Thermocoat WI Ultimate...
Jotun Steelmaster 600WF
Specially designed as passive fire protection for steel constructions. Designed to protect up to 60 minutes on a wide range of I section beams and columns. Will provide 90 minutes fire duration as per BS476 part 20-21. Suitable for structural steel exposed to internal environments up to corrosivity category C3 (ISO 12944 -2). Please Note: We...
Thermoguard Thermocoat S
Intumescent, solvent based paint for structural steel and cast iron. Provides up to 90 minutes fire resistance, maintaining the structural integrity of buildings. For protection to exterior environment steels For interior Universal Beams, Columns and other open section steel see Thermoguard Thermocoat WI Ultimate For interior steel...
Sherwin-Williams Firetex FX1003
Single pack, thin film intumescent coating, designed for site application by airless spray, to provide fire resistance for up to 120 minutes on structural steel. Certificate Application
Sherwin-Williams Firetex FX5062
Water-based one-pack TCEP free thin film intumescent coating, specifically designed for airless spray application to provide fire resistance for periods up to 90 mins on structural steel. Firetex FX5062 has been Certifire Approved. Note: application schedule required before using - click to see more information below. Certificate Application...
Nullifire SC804 On-Site Water-Based Intumescent Basecoat
A water based intumescent coating used for internal structural steel to C1 and C2 environments that can be top coated with a suitable topcoat for decorative and durability purposes. Includes Optifire+ technology - reliable and traceable fire protection Developed to give optimised loadings for up to 90 minutes Up to 120 minutes fire...
Nullifire SC801 On-Site Water-Based Intumescent Basecoat
Nullifire SC801 On-Site Water-Based Intumescent Basecoat is a water-based, white, thin film intumescent coating for the protection of internal structural steelwork, providing up to 120 minutes fire resistance. Please Note: We strongly recommend Tricomb Plastic Wet Film Gauges are used to help ensure correct film thicknesses are achieved...
Jotun Steelmaster 1200WF
One component waterborne acrylic thin film intumescent coating independently tested and approved for fire protection of structural steel exposed to cellulosic fire up to 180 minutes. Suitable for properly prepared carbon steel substrates. Please Note: We strongly recommend Tricomb Plastic Wet Film Gauges are used to help ensure correct film...
Bollom Brosteel Ultra 60 - 30min System for Universal Beams & Columns
A pack with 4,400+ matt and eggshell colours with sufficient intumescent basecoat (Bollom Brosteel Ultra 60) and coloured topcoat (Bollom Flameguard Ultra Vinyl Matt, Bollom Flameguard Ultra Acrylic Eggshell) to protect suitably primed, standard ‘ɪ’ shape structural steel beams and columns in internal environments to 30 minute fire resistance....
Zeroflame Aquasteel WB+ 30min System for Universal Beams & Columns
A pack with 4,400+ colours that provides sufficient intumescent basecoat (Zeroflame Aquasteel WB+) and coloured topcoat (Zeroflame Aquasteel WB+ Finish) to protect suitably primed, standard ‘ɪ’ shape structural steel beams and columns in internal environments to 30 minute fire resistance. Achieves 1/2 hour (30 mins) fire resistance on...
Sherwin-Williams Firetex FX5090
Water based TCEP free thin film intumescent coating, designed for application by airless spray to provide fire resistance for periods of up to 120 minutes on structural steel. Certificate Application
Bollom Brosteel Ultra 60 - 60min System for Universal Beams & Columns
Fire protection pack with 4,400+ matt and eggshell colours that provides sufficient intumescent basecoat (Bollom Brosteel Ultra 60) and coloured topcoat (Bollom Flameguard Ultra Vinyl Matt, Bollom Flameguard Ultra Acrylic Eggshell) to protect suitably primed, standard ‘ɪ’ shape structural steel beams and columns in internal environments to 60...
Thermoguard Thermocoat WI 30min System for Universal Beams & Columns
30min system pack for universal beams and columns provides sufficient intumescent basecoat (Thermoguard Thermocoat WI) and coloured topcoat (Thermoguard Flame Retardant Topcoat) to protect suitably primed, standard ‘ɪ’ shape structural steel beams and columns in internal environments to 30 minute fire resistance. Achieves 1/2 hour (30 mins)...
Thermoguard Thermocoat WI 60min System for Universal Beams & Columns
60min system pack for universal beams and columns is a pack that provides sufficient intumescent basecoat (Thermoguard Thermocoat WI) and coloured topcoat (Thermoguard Flame Retardant Topcoat) to protect suitably primed, standard ‘ɪ’ shape structural steel beams and columns in internal environments to 60 minute fire resistance. Achieves 1...
Zeroflame Aquasteel WB+ 60min System for Universal Beams & Columns
A pack with 4,400+ colours that provides sufficient intumescent basecoat (Zeroflame Aquasteel WB+) and coloured topcoat (Zeroflame Aquasteeel WB+ Finish) to protect suitably primed, standard ‘ɪ’ shape structural steel beams and columns in internal environments to 60 minute fire resistance. Achieves 1 hour (60 mins) fire resistance on...
Jotun Steelmaster 60SB
One component solvent based acrylic thin film intumescent coating independently approved for fire protection of structural steel exposed to cellulosic fire. It can be used as a mid coat or finish coat in atmospheric environments and is suitable on approved primers on carbon steel and galvanised steel substrates. Specially designed as a...
Sherwin-Williams FIRETEX FX9500
2-pack exterior durable intumescent offering 60, 90 and 120 minute fire protection both internally and externally without topcoat, which can be applied directly onto blast cleaned steel. Suitable for application in-shop and on site. Ultra durable - suitable for use in a C5-I environment, as defined in ISO 12944-2:1998 with appropriate...
Nullifire SC601 On Site & Off-Site Intumescent Base Coat
Single pack acrylic thin film intumescent basecoat for fire protection of internal & semi-exposed structural steelwork up to 60 minutes. This product is optimised to provide 60 minutes fire resistance to ‘I’ section beams and columns, hollow columns and beams, as well as cellular beams, concrete filled hollows and solid steel rods....
Bollom Brosteel Ultra 60 - 30min System for Hollow Sections
4,400+ matt and eggshell colours that provides sufficient intumescent basecoat (Bollom Brosteel Ultra 60) & coloured topcoat (Bollom Flameguard Ultra Vinyl Matt, Bollom Flameguard Ultra Acrylic Eggshell) to protect suitably primed, standard Square, Rectangular & Circular hollow section steel in internal environments to 30 minute fire...
Protecta Steel Paint FR-1
Single-component, fire-resistant acrylic paint available in white or 27 colours. Designed for use on loadbearing structural steel, including beams and columns. Provides up to 60 minutes of fire protection without requiring a primer or topcoat. Non-toxic, near zero VOC, and emission-free, making it safe for indoor environments. Durable...
Sherwin-Williams Firetex M72
Solvent based intumescent mastic coating, used for the repair of small areas of mechanical damage to Firetex range of intumescent coatings. Certificate Application
Zeroflame Aquasteel WB+ 30min System for Hollow Sections
A pack with 4,400+ colours that provides sufficient intumescent basecoat (Zeroflame Aquasteel WB+) and coloured topcoat (Zeroflame Aquasteel WB+ Finish) to protect suitably primed, standard Square, Rectangular and Circular steel hollow sections in internal environments to 30 minute fire resistance. Tested to British Standard - BS476 Part 21...
Bollom Brosteel Ultra 60 - 60min System for Hollow Sections
Fire Protection pack with 4,400+ matt and eggshell colours that provides sufficient intumescent basecoat (Bollom Brosteel Ultra 60) and coloured topcoat (Bollom Flameguard Ultra Vinyl Matt, Bollom Flameguard Ultra Acrylic Eggshell) to protect suitably primed, standard Square, Rectangular and Circular steel hollow sections in internal...
Jotun Steelmaster 120SB
Jotun Steelmaster 120SB is a one component solvent based acrylic thin film intumescent coating independently approved for fire protection of structural steel exposed to celulosic fire up to 120 minutes. It can be used as mid coat or finish coat in atmospheric environments and is suitable on approved primers on carbon steel and galvanised steel...
Zeroflame Aquasteel WB+ 60min System for Hollow Sections
A pack with 4,400+ colours that provides sufficient intumescent basecoat (Zeroflame Aquasteel WB+) and coloured topcoat (Zeroflame Aquasteeel WB+ Finish) to protect suitably primed, standard Square, Rectangular and Circular steel hollow sections in internal environments to 60 minute fire resistance. Tested to British Standard - BS476 Part...
Hempel Hempafire Pro 315 Fast Dry 43361
Hempafire Pro 315 Fast Dry 43361 is a one component, solvent-borne, intumescent coating, optimised for 60 minutes for protection of structural steel against cellulosic fires, suitable for in-shop and onsite applications. Use as passive fire protection for structural steel in interior and exterior conditions (Up to C4 conditions ISO...
Sherwin-Williams Firetex FX2003
Sherwin-Williams Firetex FX2003 is single pack thin film intumescent coating, designed for in-shop application by airless spray to provide fire resistance for up to 120 minutes on structural steel. Certificate Application
International Interchar 2060
International Interchar 2060 is a single component, solvent borne, borate free, high solids, low VOC, thin film intumescent coating optimized for 60 minutes fire resistance to structural steelwork. Independently tested at accredited laboratories to BS476 Parts 20-21, AS 1530.4-2005 and AS 4100, and third party assessed and certified....
PPG SteelGuard 651
A one-component, thin-film, waterborne intumescent coating for fire protection of structural steelwork. Provides up to 120 minutes protection from cellulosic fires. Suitable for C1, C2 and C3 internal environments (ISO 12944) For dry internal (C1) environments no topcoat is required Tested and assessed to EN13381-8, BS476-20/21 and...
Need Help?
Need Help?
How does intumescent paint work on steel?
Intumescent paint expands when exposed to high temperatures, forming a thick, insulating char layer that slows heat transfer to the steel. This delays the point at which the steel reaches its critical failure temperature, helping maintain structural integrity. The coating remains unobtrusive under normal conditions, preserving the appearance of exposed steel while offering essential fire resistance.
Can I paint over steel intumescent paint?
Yes, steel intumescent coatings can be overpainted with a compatible topcoat to improve durability, especially in areas exposed to moisture, chemicals, or mechanical wear. The topcoat should be fire-rated and approved for use over intumescent coatings to ensure fire protection properties are maintained. Always follow manufacturer guidelines and data sheets to ensure compliance and long-term performance.
Can I use intumescent paint on exposed steel beams in my home?
Yes, intumescent paint can be applied to exposed steel beams in residential properties to improve fire safety. With over 4,400 colour options, the coatings can blend with a home’s interior design while providing essential fire resistance. Homeowners should ensure the chosen product meets fire regulations and is applied correctly.
How do you apply intumescent paint to structural steel?
Intumescent paint can be applied by brush, roller, or spray. The steel surface must be cleaned and primed before application to ensure proper adhesion. The paint is applied in multiple coats to achieve the required dry film thickness (DFT) – measured during application using a Tricomb Plastic Wet Film Gauge - which determines the level of fire resistance. Following the manufacturer’s instructions for drying times and thickness is crucial for effective fire protection.
Is intumescent paint suitable for exterior steelwork?
Yes, but it requires a weather-resistant topcoat for protection against environmental exposure. UV rays, moisture, and pollutants can degrade unprotected intumescent coatings. Applying an approved protective topcoat helps maintain durability and ensures continued fire resistance. Regular maintenance is recommended to assess coating integrity and reapply protection as needed.
How to Get A Quote or Full Calculation/Specification to Meet Building Regulations
Simply call us (mobile users can click on this number 0113 245 5450) and let us know:
- Level of fire protection required (i.e. 30, 60, 90min, etc.)
- Each steel section dimension (i.e. 254x146x37 UB)
- Quantity and length of each section (or overall meterage for each section)
- Orientation (horizontal or vertical)
- Number of sides to be painted (all sides, 3 sides, 1 flange, etc.)
- Environment (internal, external, car park, chemical exposure, etc.)
- Application on site or in shop
Alternatively you can just forward us drawings (email [email protected]), fabrication/cutting lists and we'll extract the information from them but in that instance we'd need some guidance as to what to allow for i.e. all steels on first floor, etc.
We will then generate a full report including specification and mark-ups (where relevant) providing you the most cost effective solution available for your project, which includes:
- Cost (including trade discount)
- Typical coverage rates
- Product application instructions
- Product storage instructions
- On/off-site product transportation recommendations
- ETA on product delivery – and whether next day delivery options are available with your purchase
- Product and full system recommendations or requirements
- Surface and substrate preparation advice
- Including usage for new steel, and painting over/preparing previously decorated surfaces
- What coating finishes may be available for improved decorative and aesthetical value
- Drying times and times between coating layers
Certificates
All of the intumescent paints we offer have been tested to varying British/European standards by recognised independent third parties depending on their required use and performance. In addition to these industry standard tests, some products also offer additional paperwork after use by way of a ‘certificate’ that can be obtained in different ways - manufacturer dependent. Some require a form to be completed and returned by email, others have online application forms, others can be simply called to provide project details verbally. Not ALL products offer this additional supplement and if this type of certificate is important to your project you should contact our Technical Team on 0113 2455450 (option 2) or [email protected] to advise them of this so they can ensure they recommend a suitable product accordingly. Certain larger projects may also require the involvement of an independent inspector, again you should contact our Technical Department to discuss this if required.
Our help and advice promise
Fire protection doesn’t have to be hard work, let our technical staff help you get the level of protection you require and the finish you want. Whether it’s structural steel in a warehouse, fire retardant paint for wood on a new-build, or the internal walls of a block of flats, we can provide a full specification and offer guidance throughout the project.