Attic With Limited Storage

An attic with limited storage, built with joists and rafters, has at least (≥) 42 inches between the top of the ceiling joists and the bottom of the rafters. An attic without storage, built with trusses, has at least (≥) 3 adjacent trusses with the same web configuration that could contain a cube more than (>) 42 inches wide and 24 inches tall located in the same plane (area) of the truss.