Product Guide Prefabricated Structures A truck transports a pre-fabricated housing unit. Photo: Peter Mooney. License: CC BY-SA 2.0. Behind the recommendations Related articles Behind the recommendations Related articles Prefabricated Structures These modular buildings are manufactured to be high-performing and avoid waste typically generated on the jobsite. More about Prefabricated Structures Bringing Green, Modular, and Historical Together Can Prefab be Green and Affordable? Off-Site Construction Can Cut Project Time 73% The pressures of prefabrication encourage an integrative process and on-time project delivery, though transportation and culture remain issues.