What is the purpose of sheathing in wall construction?

The purpose of sheathing in wall construction primarily revolves around providing a surface for attaching the exterior finish. Sheathing acts as a structural element that strengthens and supports the walls, enhancing the overall integrity of the building. By providing an even and stable base, sheathing allows for the secure installation of materials such as siding, brick, or stucco, which make up the exterior finish. This direct attachment is vital to ensure that these materials can withstand environmental factors such as wind and moisture.

In terms of functionality, sheathing can also contribute to the building’s insulation and moisture protection, but its primary role is facilitating the secure attachment of the exterior finish. This is essential for both the aesthetic appeal and the functional performance of the wall system.