Illinois Roofing Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 745

What structure is formed at the peak where two roof planes meet?

Ridge

The structure formed at the peak where two roof planes meet is known as a ridge. This is the highest point of the roof, where the sloped surfaces come together, allowing water and snow to run off efficiently. Ridges often provide a decorative element to the roof design and are integral to the roof's structural integrity, as they connect the two planes and help in distributing the weight of the roofing materials.

In roofing terminology, a valley refers to the internal angle created where two roof sections meet and slope downward, channeling water. A corner is typically not a recognized term in roofing but rather refers to the intersection of walls or other structural elements. A hip is formed where two roof planes meet at an angle but does not reach the peak like a ridge does. Understanding these terms is crucial for proper roofing design and construction.

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Valley

Corner

Hip

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