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What are the Different Types of Intumescent Coatings?

As you shop around for an intumescent coating in Boston, MA, it’s helpful to understand the key differences between the various types available. Read on for a basic introduction to the four main categories of these commercial fireproofing paints.

  • Water-Based: When you want a coating that is eco-friendly and has less of a chemical odor, pick a water-based intumescent coating. These products are also less expensive than other coatings. However, be aware that they are less tolerant of humidity and low temperatures, so they take longer to cure in moist or cold environments.
  • Solvent-Based: A solvent-based coating is a good choice for semi-exposed environments that withstand weather and temperature variations. This type also dries faster and features a smoother finish in comparison to the water-based style’s “orange peel” finish.
intumescent coated steel beam frame
  • Epoxy-Based: Harsh environmental conditions call for an epoxy-based intumescent coating, which is known for being highly durable and corrosion-resistant. You’ll often find this product used in the offshore marine and chemical manufacturing industries, among others, since it provides excellent hydrocarbon fire protection.
  • Hybrid: Recently, “hybrid” intumescent coatings have emerged and gained rapid popularity. This type was developed to deliver faster cure times and exceptional fire protection while removing the need for multiple coats. Consult an expert to determine if a hybrid coating is a viable option for your application.

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