Common Types of Fireproofing Material for Structural Steels in Singapore

Common Types of Fireproofing Material for Structural Steels

1. Intumescent (Contact Supplier)

• Is a thin layer coating usually applied by spraying several layers, trowel apply or brush application. Thickness may vary up to 7mm thick.
• When fire occurs, the coatings generally expand into char giving a protection to the structural steels.
• Fire rating: Up to 2 Hours 
• Advantages:
• Thinner layer
• lighter in weight
• better texture
• color can be any
• Disadvantage:
• Cost can be higher than vermiculite and fire wrap.

2. Vermiculite (Contact Supplier)

• Is a type of fireproofing coating that looks like cementitious type that is applied using spray or trowel.
• Thickness can be 25mm or more
• Fire rating: Up to 4 hours
• Advantages
• Price can be cheaper than intumescent

• Disadvantages
• Heavy and thick
• Craggy surface
• Cannot be painted to color

 
 
3. Fire Wrap (Contact Supplier)

• Is a type of fireproofing that is wrapped on the surface of the structural steels instead of spray or trowel application
• Fire Rating: Up to 2 hours
• Advantages
• Price can be cheaper
• Easier to install
• Shorter application/installation time
• Lighter than vermiculite

• Disadvantages
• Thick and bulky
•  finishing is less attractive compared to intumescent