Fireproof coatings come as a two-component system

Construction fireproof coatings often come as a two-component system, consisting of a base or resin component and an activator or hardener component. These coatings are designed to provide fire resistance and protect various surfaces, such as steel structures, wood, concrete, and more, from the damaging effects of fire and high temperatures. The two-component system allows for better control of the coating's properties and ensures it performs effectively in fire protection applications. Here's how the two components typically work together:

Base or Resin Component: This component is the main part of the fireproof coating and contains the primary fire-resistant ingredients, such as intumescent materials, flame retardants, and binders. The base component provides adhesion to the substrate and acts as a heat-insulating barrier when exposed to fire. It also forms a char layer that expands when heated, insulating the underlying material from the flames and heat.

Activator or Hardener Component: The activator or hardener component usually contains chemical agents that initiate the curing or hardening process of the base component when they are mixed together. Once the two components are combined, a chemical reaction occurs, leading to the formation of a durable, heat-resistant coating.

When preparing to use a two-component fireproof coating, you typically mix the base and activator components according to the manufacturer's instructions. After mixing, you have a limited working time (pot life) during which you must apply the coating to the surface. The coated surface is then allowed to cure and harden, creating a fire-resistant barrier.

It's important to follow the manufacturer's guidelines for mixing, application, and curing times to ensure the coating's effectiveness in providing fire protection. These coatings are commonly used in industries where fire safety is critical, such as construction, aerospace, and petrochemical facilities.