A coping cap is a protective covering installed on top of a wall, serving as a crucial element to shield the structure from the elements. Essentially, a coping cap is another term for coping, a finish piece that sits on the uppermost course of a wall.
Based on common usage and definitions, a coping cap is like a protective cover for the top of a wall. Its primary purpose is to provide an extra layer of protection against the elements, specifically water.
Functions of a Coping Cap
Coping caps are vital for the longevity and structural integrity of walls, particularly those exposed to the weather, such as parapet walls, free-standing garden walls, or boundary walls. Their main functions include:
- Water Protection: Coping caps are often curved or slanted to help the wall shed water that falls on it. This prevents water from pooling on the surface or seeping down into the wall structure, which can cause damage over time, such as freeze-thaw cycles, efflorescence, or structural deterioration.
- Element Shielding: They offer protection against other elements like wind, snow, and UV rays, reducing wear and tear on the wall material below.
- Aesthetic Finish: Beyond protection, coping caps also provide a finished look to the top of a wall, enhancing its visual appeal.
Other Names for Coping Caps
As mentioned in the reference, you might also hear coping referred to as a wall cap, wall cover or coping cap. These terms are often used interchangeably to describe the protective top layer of a wall.
In summary, a coping cap is the protective top layer or covering of a wall, primarily designed to shed water and protect the wall from weather damage, also known interchangeably as coping, wall cap, or wall cover.