What is a primary goal of evaluating fire resistance in wall systems?

Evaluating fire resistance in wall systems primarily aims to ensure structural integrity during fire conditions. This assessment is critical because walls designed to withstand fire must maintain their load-bearing capabilities and prevent the spread of flames and smoke. In the event of a fire, it is essential that the walls perform effectively to provide safety, protect occupants, and allow for potential evacuation until the arrival of emergency services.

Maintaining structural integrity means that the walls will not collapse under heat stress, thus helping to contain the fire within designated areas and providing time for occupants to escape. Additionally, effective fire resistance contributes to the overall safety of the building, protecting not just those inside, but also emergency responders who may be working to control the fire.

While factors such as aesthetic value, construction costs, and material longevity may influence design and building decisions, the primary focus of evaluating fire resistance is on the lasting safety and performance of wall systems during fire exposure.