Intumescent Coatings

Intumescent Coatings

IPC are the certified contractor of choice when it comes to specialist Intumescent Paint application nationwide.

We provide onsite fireproofing and Intumescent fire retardant coatings on architectural steel, tanks etc.

Structural steelwork;

These specialist coatings are designed to provide a temporary fire check to structural steels that are exposed to high levels of heat. The coating expands when exposed to intense heat enabling the structure to maintain its load bearing capabilities short term.

Intumescent fireproofing is a decorative coating designed for exposed applications where aesthetic appearance is importance. Finished off with an approved top coat in any colour, these fireproofing products are seen as the ideal solution to achieving fire resistance ratings for exposed structural steel.

  • Excellent fire protection for steel structures
  • High levels of corrosion protection against atmospheric conditions with suitable top coat
  • Economical and versatile
  • Smooth surface – excellent aesthetics
  • Topcoats available in many colours to match building design
  • Off-site versions available for in-shop application
  • Waterborne coatings available for on-site application
  • Engineering support
  • Tested to various standards and certified to local requirements
  • Independently approved

Engineering support

Our engineers are fully trained in intumescent fire protection and are up to date with all relevant industry standards and fire ratings.

They also have the engineering capability to help customers from the early stages of development, guiding them through the specification process and providing continuing support right through to project completion and beyond.


STEELGUARD® The superior cellulosic fire protection solution

We work closely with PPG and use their Protective & Marine Coatings which have been specially formulated to help save lives and protect assets

STEELGUARD is a complete range of systems for various grades of fire protection, climatic exposure conditions and application techniques.

These market-leading coatings are specifically formulated to provide superb fire protection for civil buildings, particularly appropriate where exposed steel structures have been used as part of the design in buildings such as shopping centres, airport terminals, sports stadia and schools. But if a fire strikes, the potential for disaster is frightening. Within minutes unprotected steel can reach the critical temperature that causes it to lose stability and collapse.

The value of STEELGUARD intumescent coatings is that they provide the vital extra time to help people escape and also allow fire fighters to save the building itself.

Independent certification international approval

PPG is certified to ISO 9001, recognized around the world as a sign of quality. STEELGUARD intumescent coatings meet international standards in fire protection, with each product undergoing a rigorous, exhaustive testing process. In addition, every production batch is checked against its specifications – so you can be assured of consistent quality and accurate fire protection levels at all times.

Nullafire S707-60HF

S707-60HF Intumescent Basecoat is a white thin film intumescent coating for the fire protection of internal structural steelwork.

S707-60HF provides effective structural fire protection, for steelwork, from 30 minutes up to a 90 minute fire rating.

S707-60  is a water based intumescent coating designed for steelwork such as beams and columns.

What is meant by HP/A / A/V? HP/A is generally used with British Testing and A/V in European.  The principle is the same.

The thickness of this intumescent coating is dependent on the steel section used. For calculation of DFT (dry film thickness) a factor called HP/A (heated perimeter divided by cross sectional area) is used. Intumescent coatings are applied as an intermediate coat in a coating system (primer, intermediate and top/finish coat).  S707 is designed for use in internal environments but can also be used externally provide is not exposed to water ingress.  A suitable topseal must be applied to the intumescent (once dry) if used external.

The rate increase in temperature of a steel cross-section is determined by the ratio of the heated surface area (A) to the Volume (V).  This ratio A/V, has units of m-1 and is known as the “Section Factor”.  Members with low Section Factors will heat up more slowly.  A steel section with a large surface area (A) will receive more heat than one with a smaller surface area.  Also, the greater the volume (V) of the section, the greater is the heat sink.  Therefore a small thick section will be slower to increase in temperature than a large thin one.  The Section Factor (A/V or HP/A) is thus a measure of the rate at which a section will heat up in a fire.  The higher the value of the Section Factor the greater will be the protection thickness required.

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