ICC Commercial Building Inspector Practice Test

How much should the end joints of double top plates be offset by for bearing and exterior wall studs?

1. 24 inches

2. 36 inches

3. 48 inches

4. 60 inches

The correct answer is: 48 inches

The end joints of double top plates in walls are crucial for maintaining the structural integrity of the building. The correct offset for these joints is 48 inches. This requirement is specified to ensure that the load is properly distributed and that there is sufficient overlap of the top plates to provide stability and support for the wall framing. When the joints are offset by 48 inches, it helps to prevent the potential for weak points in the wall system where excessive load or lateral forces could lead to failure. This distance is commonly adopted in building codes to facilitate proper framing practices, allowing for a robust connection that can withstand various loads and forces applied to the wall structure. By ensuring that the end joints of double top plates are staggered properly, builders can enhance the overall durability and performance of the building, which is a fundamental aspect of commercial construction standards.