According to regulations, how must sheathing nails or other connectors be driven into the sheathing?

Driving sheathing nails or other connectors flush with the surface of the sheathing is essential for several reasons related to structural integrity, aesthetics, and functionality. When nails are flush, it ensures that the surface is smooth and free from protrusions that could potentially interfere with the installation of subsequent layers, such as siding or roofing materials.

Additionally, flush installation reduces the risk of future issues, such as damage to the materials applied over the sheathing, as well as ensuring that water does not collect around any raised fasteners, which could lead to rot or mold. In many building codes and regulations, it is specified that fasteners be driven flush to maintain the structural performance and safety of the building assembly.

In contrast, having nails indented below the surface may compromise their holding efficiency, while protruding nails can create hazards and interfere with proper installation of finishes. Therefore, the requirement to drive connectors flush aligns with best practices aimed at promoting long-term durability and safety in construction.