SHARJAH CIVIL DEFENCE APPROVED

Intumescent paint is a type of fire-resistant coating used to protect steel structures. When exposed to heat, the paint swells and forms a protective char layer, insulating the steel and slowing down its reaction to the fire. This can help prevent the steel from melting or collapsing, ensuring the structural integrity of the building.

One-hour fire-rated intumescent paint for steel is available for purchase and can be applied to steel beams, columns, and other structural elements. Some brands, such as Sherwin-Williams Phoenix Fire Protection, offer clear and colored options, while others, such as Sherwin-Williams, offer a range of thicknesses for the intumescent coating. The fire rating of intumescent paint is dependent on the thickness of the coating, with thicker coatings providing a higher level of fire protection.

Intumescent paint can be applied to both galvanized and non-galvanized steel and is an alternative to fire retardant paint. The process of applying the paint is similar to that of traditional paint, with surface preparation and multiple coats required for optimal protection. Intumescent paint can be used in conjunction with cementitious fireproofing for added fire protection.

Intumescent paint has a long lifespan, lasting for several decades with proper maintenance. The thickness of the coating depends on the level of fire protection required, but is typically in the range of 1-2mm. In the event of a fire, the intumescent coating works by expanding and forming a char layer, insulating the steel and slowing down its reaction to the fire.

It’s important to note that intumescent paint alone does not provide complete fire protection for steel structures. It is recommended to be used in conjunction with other fire safety measures, such as fire alarms and sprinkler systems, to ensure the safety of a building and its occupants in the event of a fire.

When purchasing intumescent paint, it’s important to consider the manufacturer’s specifications and the intended use of the coating to ensure it meets the necessary fire protection requirements. Additionally, it is important to choose a reputable and experienced contractor to apply the paint, as proper application is crucial to the effectiveness of the coating.

In summary, intumescent paint is a valuable fire safety measure for steel structures. It provides a protective layer in the event of a fire, helping to slow down the reaction of steel to heat and ensuring the structural integrity of a building. When choosing and applying intumescent paint, it’s important to consider the manufacturer’s specifications, the intended use, and to work with experienced professionals.

What is the purpose of an intumescent paint?

Intumescent paint is used to protect steel structures from fire. When exposed to high temperatures, the paint swells to form a protective char layer that insulates the steel and slows down its exposure to heat.

How does intumescent paint work?

Intumescent paint contains a mixture of chemicals that expand when exposed to heat. This expansion creates a thick, insulating char layer that protects the underlying steel from heat damage.

At what temperature does intumescent paint react?

Intumescent paint typically begins to react at temperatures between 200-300°C, but the exact temperature at which it reacts depends on the specific formulation of the paint.

Does intumescent paint provide corrosion protection?

Intumescent paint can provide some level of corrosion protection, but it is primarily designed to protect steel structures from fire.

Can you paint over intumescent paint?

Yes, it is possible to paint over intumescent paint, but it is important to use a paint that is compatible with the intumescent coating and to follow the manufacturer’s guidelines for preparing the surface and applying the new paint.

How much intumescent paint do I need?

The amount of intumescent paint required depends on the size and type of the steel structure being protected, as well as the desired level of protection. It is recommended to consult with a specialist or follow the manufacturer’s guidelines for determining the appropriate amount of paint to use.

What do Building Control require for intumescent paint?

Building control requirements for intumescent paint vary by jurisdiction, but typically include guidelines for the type of paint to be used, the thickness of the coating, and the method of application. Building control may also require independent testing of the paint to verify its effectiveness in protecting steel structures from fire.