Which component is NOT essential for identifying a firestop system?

In the context of identifying a firestop system, it's essential to understand the components that contribute to a firestop’s effectiveness. The components that are vital for determining how a firestop functions include the penetrating item, which is the object that passes through a wall or floor where firestop materials are applied; the hole size or annular space, which refers to the gap around the penetrating item that must be properly filled to prevent the spread of fire; and the F-Rating, which indicates the duration the firestop can withstand fire conditions.

Building height, while relevant for various fire safety regulations and strategies, does not directly influence the identification of a specific firestop system. The primary focus in categorizing and assessing firestop systems involves the characteristics of the items penetrating the barrier, the dimensions of those penetrations, and the performance marked by the F-Rating. Hence, building height is not a necessary component in the identification process of firestop systems.