What Is the Difference Between Eaves and Overhangs in Building Architecture?

Learn the key differences between eaves and overhangs, including their functions and roles in protecting buildings from water damage.

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Eaves are the edges of the roof which overhang the face of a wall and, normally, project beyond the side of a building. The primary function of eaves is to throw rainwater off the walls and to prevent the ingress of water at the junction where the roof meets the wall. Overhangs, on the other hand, are a more general term that can apply to any part of a structure that extends beyond the main framework. Overhangs can include eaves but also refer to extensions beyond a building's footprint, like a balcony.

FAQs & Answers

  1. What is the primary function of eaves on a roof? The primary function of eaves is to direct rainwater away from the walls to prevent water ingress where the roof meets the wall.
  2. Are all overhangs considered eaves? No, overhangs is a general term for any part extending beyond the main structure, and while eaves are a type of overhang specifically related to the roof edges, other overhangs can include balconies or other extensions.
  3. How do overhangs protect a building? Overhangs provide shade, shelter, and help protect the building's exterior from elements by extending beyond the main framework.

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