The Gable is the:

The gable refers specifically to the vertical triangular wall that forms the end section of a pitched roof, situated at each end of a building. This structure arises from the intersection of two sloped roof surfaces, creating a distinctive shape that is often associated with various architectural styles.

Understanding the properties and characteristics of the gable is essential in fire protection and prevention. The design can significantly affect ventilation strategies during firefighting operations and influence how flame and heat spread can be managed in a structural fire. Recognizing the structural elements, like gables, allows fire service personnel to predict fire behavior related to the architecture of a building.