What is the minimum offset required for the end joints in the top plate?

The minimum offset required for the end joints in the top plate is 24 inches. This requirement is set to ensure structural integrity and load distribution in wall framing. When end joints are staggered appropriately, it prevents the development of weak points that could compromise the strength of the wall.

When a stud wall is constructed, aligning the end joints can create a linear weakness along the plate, increasing the risk of bending or shear failure when subjected to loads. By maintaining a 24-inch offset, it helps to distribute these loads evenly across the framing members, enhancing overall stability and durability of the structure.

The offsets mentioned in the other options do not meet this minimum standard, which is vital in building practices to comply with safety codes and regulations that aim to ensure the longevity and robustness of the structure.