What is the steepness of a roof referred to as?

The steepness of a roof is referred to as pitch. This term specifically describes the ratio of the vertical rise of the roof to the horizontal run, often expressed in inches of rise over a specific number of inches of run. The concept of pitch is crucial in construction and architecture, as it influences the aesthetics of a building, the ability of the roof to shed water and snow, and the overall structural integrity.

Pitch is a standardized term that is widely used in building codes and by architects when specifying roofing materials and designs. A roof with a higher pitch will typically be steeper, allowing for better drainage, but may also pose challenges for construction and may require additional safety measures for workers. Understanding pitch is essential for ensuring proper installation of roofing systems and for optimizing durability and performance in various weather conditions.