Sharpfibre offers a range of services to enhance structural steel as part of a specialist passive fire protection strategy, giving building owners assurance that they’re complying with industry regulations and protected for the future.
Cementitious spray fireproofing for steel
Cementitious fire spraying is a fast and efficient method of upgrading the fire performance of concrete and steel structural elements. They are most commonly applied to steel and concrete frames, metal floors or roof decks and return air plenums, providing up to 240 minutes of fire protection.
Used in the commercial and petrochemical markets and for tunnel fire protection, the main advantage of cementitious sprays is that they can withstand impact and abrasion, yet remain flexible enough to accept design changes without incurring major cost and time delays. They may be applied within environments where limited exposure to the elements is likely throughout the building phase of the project.
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Boarded fire protection systems
As the original means of structural fire protection, boarding systems have seen major developments, continuing to provide a non-combustible and cost-efficient means of ensuring up to 240 minutes of fire protection for structural steel.
Fire protection boards are highly versatile and can be used both where the protection system is in full view and where it is hidden. Additionally, due to being factory-manufactured, boarded systems guarantee consistency and durability – they are both resistant to water and beneficial to acoustic performance. They can also accept decorative applications, such as paint or plaster, providing an aesthetic finish without the need for further preparation.
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Intumescent spray fireproofing for steel beams
Intumescent coatings refer to a range of materials that provide an appearance similar to that of paint, with basic to high-gloss finishes now available. These coatings remain stable at ambient temperatures but undergo a complex chemical reaction at temperatures of about 200-250°C.
More specifically, in the event of a fire, intumescent coatings expand to many times their original thickness. This expansion provides an insulating foam-like coating or “char” which, in some instances, can be up to 50 times its initial applied thickness. It is this “char” that offers up to 120 minutes of fire protection to structural steel work.
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