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Nullifire Paints and Coatings

Nullifire is a leading name in passive fire protection, renowned for its innovative range of fire retardant paints and fire stopping products. With over 40 years of experience, Nullifire products are trusted by professionals to safeguard people and buildings from the devastating effects of fire. Their commitment to smart protection is evident in rigorous testing processes, ensuring that each product meets the highest safety standards. Available from Rawlins Paints, Nullifire solutions are designed to comply with modern building regulations while offering reliable, long-term performance.

Nullifire’s product portfolio includes intumescent coatings for steel structures, fire curtains, and a wide range of fire stopping sealants designed to block fire and smoke at gaps and penetrations. Their innovative range also features flame retardant topcoats, which provide a durable finish while enhancing fire resistance. Suitable for new builds, renovations, and commercial properties, Nullifire products deliver consistent performance, even in challenging environments like low temperatures and high humidity.

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Nullifire FS702 | Intumastic Fire Resistant Acrylic Sealants

Nullifire FS702 Intumastic Fire Resistant Acrylic Sealant

Water-based acrylic sealant which cures to give a firm but flexible fire seal. Suited for use around non-combustible services, cables, rock fibre insulated non-combustible pipes, using a  minimum depth of 25 mm. FS702 has excellent adhesive qualities and can also be used for the bonding and pointing of joints and  service penetrations in...

Price £42.28 (incl. VAT)
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Nullifire SC802 Water-Based Intumescent Basecoat

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...

Price £78.94 (incl. VAT)
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Nullifire TS816 Water-Based Acrylic Top Seal

Nullifire TS816 Water-Based Acrylic Top Seal

A waterborne, acrylic eggshell decorative topseal in 4,300+colours. It is primarily for use with Nullifire Intumescent Basecoats on internal steelwork.  Buy A Paint Colour Sample

Price £123.25 (incl. VAT)
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Nullifire PR102 PE Joint Backer Rods | Firestopping

Nullifire PR102 PE Joint Backer Rods

Used to control sealant depth in sealant joints, avoiding 3-sided adhesion. Available in white. Important! Selected items are Made To Order subject to a MOQ and an extended lead time - see 'Size Reference' below

Price £100.49 (incl. VAT)
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Firetherm Intudeck | Underfloor Fire Barriers

Nullifire FB770 Intudeck

Rock mineral fibre board coated with smoke and fire resistant sealant, provides up to 90 minutes fire resistance under timber floors and is ideal for installing above ceilings that can't be disturbed, such as decorative or made from lath and plaster. 1200 x 600 x 70 mm size Contact our sales team on 0113 2455450 if custom sizes required...

Price £49.46 (incl. VAT)
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Nullifire FS703 Intusil | Fire-Resistant Sealants

Nullifire FS703 Intusil Fire Resistant Silicone Sealant

Fire-stopping sealant designed for aggressive exterior use on high-sheen surfaces (glass, aluminium) and in high-movement joints for up to 50% movement. Suitable to fire seal joints incompartment walls and floors such as masonry to masonry, masonry to timber, masonry to steel - see the description below for a list of suitable surfaces and...

Price £126.86 (incl. VAT)
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Nullifire FP333 Trunking Infill | Intumescent Fire Pillows

Nullifire FP333 Trunking Infill

Provides a permanent fire barrier within trunking boxes passing through fire compartment walls. They are of particular use where there are regular changes in cabling requiring frequent removal and replacement, for example in computer or communication installations. Up to 2 hours fire performance Tested en BS EN 1366-3 Integrity, insulation...

Price £4.49 (incl. VAT)
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Nullifire SC804 On-Site Water-Based Intumescent Basecoat

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...

Price £241.39 (incl. VAT)
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Nullifire FJ220 Intubatt 3 Cavity Barrier | Fire Batts & Slabs

Nullifire FJ220 Intubatt 3 Cavity Barrier

A rock fibre compressible slab, with an ablative coating to provide a fire and smoke seal. Supplied pre-configured, ablative coated and factory cured. Choose from 2 options: Single coated for horizontal seals Double coated for vertical seals Low cost and simple install Easy to cut Fully identifiable using Optifire Can offer an...

Price £45.40 (incl. VAT)
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Nullifire SC801 On-Site Water-Based Intumescent Basecoat

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...

Price £243.35 (incl. VAT)
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Nullifire FJ400 Intuspan | Fire Stopping Expansion Joints

Nullifire FJ400 Intuspan

A very pliable intumescent expansion joint with a high level of movement that is suitable for gaps up to 100 mm, providing up to 2 hours fire performance with no adhesive required in most situations. Ideal for high vibration areas, such as lift shaft interfaces Can accommodate regular cycles of high or low amplitude movement Tolerates...

Price £16.76 (incl. VAT)
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Nullifire FJ240 Spanatherm | Fire-Stopping Expansion Joints

Nullifire FJ240 Spanatherm

Fire resistant rock fibre expansion joints for slab edging and curtain walling, preventing the spread of smoke and fire. Up to 2 hours fire integrity Vapour and smoke barrier Allows significant movement accommodation 1200 x 600 x 100mm slabs Please contact our technical team on 01132455450 for custom size requirements

Price £61.08 (incl. VAT)
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Firetherm Intucollar

Nullifire FP170 Intucollar Intumescent Pipe Collars

Expands when exposed to fire, reinstating the fire performance of compartment walls and floors which have been penetrated by combustible pipes. Up to 4 hours fire resistance - Tested to EN 1366-3 Tested with combustible pipes (PVC, PE, PP, SanPVC, Bevex, etc.), insulated non- combustible pipes (steel) and network cable bundles (up to 125...

Price £11.70 (incl. VAT)
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Nullifire FB750 Intubatts | Fire Batts & Slabs

Nullifire FB750 Intubatts

Fully identifiable, fire resistant ablative skinned rock mineral wool boards used for fire protection of openings in fire barriers used for pipes and services to pass through. Refer to order references below Factory finished unique multilayered, low resin bonded, rock mineral fibre board Ablative coated on both faces with unique...

Price £35.41 (incl. VAT)
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Nullifire SC601 Off-Site Intumescent Base Coat

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....

Price £345.71 (incl. VAT)
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Firetherm Intucompound

Nullifire FR230 Intucompound Fire Mortar

Gypsum based mortar used to reinstate the fire resistance performance of floor & wall constructions where they have been breached with apertures for the penetration of single or multiple services. Up to 4 hours fire resistance - Tested to EN 1366-3 & 4 Provides a safe working platform for loads up to 2.5 kN/m² 1.21 m² without...

Price £32.02 (incl. VAT)
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Nullifire FS709 Intumastic | Fire-Resistant Sealants

Nullifire FS709 Intumastic HP Intumescent Sealant

A heat-reactive, intumescent acrylic fire barrier mastic for internal use around services in walls and floors. Seals around pipes, cables and cable trays. Provides up to 4 hours of fire resistance. 60 to 120 min tack time (depending on temperature/humidity).

Price £232.50 (incl. VAT)
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Nullifire FO230/FO323 Slotted Steel Angles & Straps For FR230/FD090

Nullifire FO230/FO323 Slotted Steel Angles & Straps

For securing fire barriers above partition walls in fire stopping applications. Made from DX51D+Z275 NAC galvanised steel 20 x 6mm slotted holes @ 300mm Ctrs in centre on both sides of angle and centre of strap. Meets relevant British Standards - see description below for more details Please note - Selected items are Made To Order...

Price £27.05 (incl. VAT)
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Nullifire FP302 Intustrap/Band | Pipe Fire Protection

Nullifire FP302 Intustrap/Band

A rubber based product with graphite impregnation that creates an extremely  flexible pipe closure device. The product remains dormant, until exposed to fire conditions, at which point it will expand to fill the space left by the melting combustible element. FP302 has a release tape to one side. This permits the thermal expansion of services,...

Price £259.80 (incl. VAT)
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Carboline Carbocoat 115 | Metal Primer

Nullifire PM020 Alkyd High-Build Primer

Fast-drying steel primer that provides corrosion protection on structural steel. Well suited for fabrication shops that need fast cure to dry and handle times. Rapid cure and fast-drying VOC compliant for most areas Good for filling properties on rough and pitted steel Nullifire have made the decision in March 2023 to rebrand Nullifire...

Price £74.40 (incl. VAT)
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Nullifire TS815 Solvent-Based Acrylic Top Seal

Nullifire TS815 Solvent-Based Acrylic Top Seal

Nullifire TS815 Solvent-Based Acrylic Top Seal is a single pack, high build modified acrylic topseal conforming to 2010 VOC limits. This product is designed for use with the Nullifire System S range of intumescent basecoats.  Available in 4,300+ colours, inc. RAL, RAL Design, BS, NCS & the new NCS 2050 colours

Price £117.28 (incl. VAT)
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Nullifire FJ203 Fire Resistant Backer Rod | Up To 240 Minutes Fire Resistance

Nullifire FJ203 Fire Resistant Backer Rod

Firestopping backer rod made from rock wool, sheathed with flexible glass wires. It is used to make fire-resistant expansion joints between masonry elements, wall and slab, directly exposed to fire or not, in hospitals, hotels, car parks, schools, airports, nuclear power plants etc. Can be used alone or in combination with Nullifire FS703...

Price £172.42 (incl. VAT)
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Carboline Carbomastic 15 LT | Metal Paint

Carbomastic 15 LT (Nullifire PM015)

2-component, high build coating with excellent adhesion to rusted steel and most aged coatings. Replaces Nullifire PM015 Aluminium Epoxy Primer Surface tolerant Recommended for painting over rusted steel where hand cleaning only is possible Carbomastic 15 LT penetrates through rust to steel substrate and stops further corrosion and...

Price £94.73 (incl. VAT)
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Nullifire FI025 Intuflex Wrap | Pipe & Cable Fire Protection

Nullifire FI025 Intuflex Wrap

Insulated pipe and cable wrap for preventing heat exchange in pipes and cable trays through fire barriers, walls and floors. For steel pipes, cable trays, cable ladders, cable baskets, steel trunking and movement sleeves. Can be cut for better accommodation, if required.

Price £92.72 (incl. VAT)
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Nullifire FP220 Service Sleeve | Pipe Closer Device

Nullifire FP220 Service Sleeve

A pipe closer device, comprising of an intumescent material within a stainless steel shell. Expands when exposed to fire, reinstating the fire performance of compartment walls which have been penetrated by combustable pipes Suitable for retrofit or inclusion prior to service installation, PE, HDPE, ABS, San+PVC, PP, PVC-C, UPONOR, DB, MLCP...

Price £31.62 (incl. VAT)
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Nullifire FF197 Gun Grade Fire Rated PU Foam

Nullifire FF197 Gun Grade Fire Rated PU Foam

A modified, single component, fire rated polyurethane foam used to seal door frames and linear gaps throughout the fire rated areas of a building. This pink fire foam is easy to identify and cures to form a semi-rigid foam that can accommodate some degree of movement of the joint. Acts as an effective fire seal for up to 4 hours (BS EN...

Price £202.20 (incl. VAT)
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Nullifire Accessories | Application Equipment

Nullifire Accessories For Fire Protection

An extensive range of accessories and ancillary products for use with Nullifire (Firetherm) systems, helping the installation and application of firestopping products. Refer below to see the full range. More Information Delivery Info

Price £27.60 (incl. VAT)
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FS712 Intucoat Brush Grade | Up to 4 hours fire resistance

Nullifire FS712 Intucoat Brush Grade

Water-based acrylic coating and adhesive, which may be used in conjunction with FB750 Intubatt, FB770 Intudeck and FJ220 Intubatt 3 as a bonding agent and a surface repair coating. Up to 4 hours fire resistance - Tested to EN 1366-4, EN 1366-3 and BS 476 Pt 20-22 in conjunction with FB750 Intubatt, FB770 Intudeck and FJ220 Intubatt 3 Used...

Price £50.70 (incl. VAT)
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Nullifire FJ260 Cavity Barrier | 120 Minute Protection

Nullifire FJ260 Cavity Barrier

Nullifire FJ260 Cavity Barrier is a close state cavity barrier made of rock mineral wool and designed to maintain the required fire resistance around windows, doors and when following fire compartment lines. It is essential that the correct fire barriers are specified and installed, therefore in order to make a purchase you must fill in the...

Price £80.54 (incl. VAT)
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Carboline Carbothane 134 HP | Available in 350+ Colours

Nullifire TS134 - Acrylic Polyurethane Top Seal (High Gloss)

A two-component, high-gloss, and high-solid polyurethane topcoat in 350+ colours, which can be easily sprayed with conventional as well as airless equipment. The coating has excellent flow and application properties which provides a smooth, durable, and easy to clean surface. Please note: Colours are Made To Order subject to a MOQ of 80 units...

Price £106.74 (incl. VAT)
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Nullifire FC150 Solvent

Nullifire FC150 Solvent

Nullifire FC150 Solvent is suitable to use with Nullifire products & systems. Please refer to the datasheets for accurate information, or, alternatively, give our Technical Team a call. More Information Delivery Info

Price £34.25 (incl. VAT)
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Nullifire SC900 On-Site Intumescent Steel Coating Repair Kit

Nullifire SC900 On-Site Intumescent Steel Coating Repair Kit

Enables seamless repairs to accidental damage in isolated areas in order to preserve fire integrity, such as long-term repairs to accidental damage caused to an SC901 or SC902 coating. Up to 120 minutes fire resistance Can be applied to a smooth matt finish A compatible top seal can be applied if a decorative finish is required Maintains...

Price £133.00 (incl. VAT)
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Nullifire FI064 Soft Joint Backer | High Compressible & High Movement

Nullifire FI064 Soft Joint Backer

64 kg rock mineral wool slab, to be cut on site and rotated through 90° to form a highly compressible backer with vertically orientated fibres. Specifically tested for a high movement backer, when used in conjunction with other Nullifire products. The system is suitable for both horizontal and vertical applications and can offer acoustic...

Price £28.79 (incl. VAT)
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Nullifire – The Smart Choice for Passive Fire Protection


Nullifire is synonymous with advanced passive fire protection, offering a wide range of innovative products designed to minimise fire risks and enhance building safety. As a pioneer in intumescent coating technology, Nullifire delivers fire stopping solutions that meet modern safety regulations and protect critical structural elements. With a heritage spanning over 40 years, their products are developed to withstand harsh conditions and deliver optimal performance when it matters most.

Available from Rawlins Paints, Nullifire products include intumescent paints for steel, fire stopping compounds, pipe collars, pipe wraps, intumescent seals, and fire retardant wall coatings. The brand’s commitment to research and innovation ensures that their coatings can be applied faster, even at lower temperatures, reducing application and drying times by up to 60%. This efficiency makes them an ideal choice for fast-track projects and high-traffic environments.

One of the standout products in the Nullifire range is the fast-drying intumescent coating, designed to offer long-lasting protection with minimal disruption. Nullifire fire stopping solutions, including dynamic acrylic sealers and neutral cure fire rated silicone, are tailored for high-performance sealing in fire-sensitive areas. With products that are easy to apply and highly effective, Nullifire remains the preferred choice for contractors seeking durable fire safety solutions.

Frequently Asked Questions


What are intumescent coatings used for?

Intumescent coatings are applied to structural steel and other surfaces to provide fire resistance. In the event of a fire, the coating expands, forming an insulating layer that protects the substrate from heat. Nullifire’s intumescent paints are formulated for durability and can withstand harsh environmental conditions.

What makes Nullifire’s fire stopping products effective?

Nullifire’s fire stopping products are designed to seal gaps and service penetrations, preventing the spread of fire and smoke through walls and floors. Their range includes fire rated sealants, pipe collars, wraps, and dynamic acrylic sealers, all tested to meet UK fire safety standards.

How do Nullifire coatings perform in challenging environments?

Nullifire coatings are engineered to perform reliably even in low temperatures and high humidity. The fast-drying formulations enable quicker application, reducing project time without compromising fire protection quality. This makes them suitable for industrial and commercial environments where conditions are variable.

Are Nullifire products suitable for retrofit applications?

Yes, Nullifire products are ideal for both new installations and retrofit projects. The coatings and fire stopping solutions are easy to apply using standard methods, including brush, roller, or spray, making them versatile for upgrades and refurbishments.

What support does Rawlins Paints offer for Nullifire products?

Rawlins Paints offers technical support to help customers choose the right Nullifire product for their project. Our team of experts can guide you through the application process, product specifications, and compliance requirements to ensure optimal fire protection.