What does "fire resistant" mean?

The term "fire resistant" refers to materials that can withstand fire for a specified period of time without losing their structural integrity or function. This characteristic is important in construction and safety to ensure that buildings can endure exposure to fire for a specific duration, allowing for evacuation or intervention without the risk of collapse or failure. Fire resistance is typically rated based on standardized testing under controlled conditions, indicating how long a material can resist fire, which can significantly impact building codes and safety regulations.

Materials classified as fire resistant do not necessarily redirect flames, prevent all heat transfer, or provide waterproof capabilities, which differentiates them from other types of materials or protective measures. The focus on a specified time underlines the importance of having measurable standards in fire safety measures.