What is a key performance indicator of a fireproofing system?

A key performance indicator of a fireproofing system is its ability to maintain structural integrity during a fire event. This is crucial because the primary purpose of fireproofing is to protect the structural elements of a building from the damaging effects of fire. When exposed to high temperatures, materials can lose their strength, leading to potential collapse. Therefore, the fireproofing system must effectively insulate those structural components for a specified duration, allowing for safe evacuation and time for firefighting efforts.

While aspects like cost effectiveness, ease of application, and visual appearance are important in the selection and implementation of fireproofing materials, they do not directly address the critical function of protecting life and property during a fire. The effectiveness of a fireproofing system is ultimately judged by its performance under fire conditions, making the preservation of structural integrity the most significant measure of its success.