Plywood roof sheathing for a house is placed on roof trusses 24 inches on centers. The edges of the plywood are unblocked. The panels are attached with the face grain of the plywood turned perpindicular to the trusses. According to the Code, the minimum thickness of the plywood should be:

Plywood roof sheathing for a house is placed on roof trusses 24 inches on centers. The edges of the plywood are unblocked. The panels are attached with the face grain of the plywood turned perpindicular to the trusses. According to the Code, the minimum thickness of the plywood should be: