Understanding of construction has evolved to include a deeper understanding of its mechanics; in addition to traditional on-site work involving the manufacturing of building products - industrial construction. One of the most important aspects of any industrial process is flow of materials and resources. Using empirical data from a unique multi-storey timber housing project, this paper aims at building a better understanding of how product design affects flow of materials in housing construction. Even though a high degree of prefabrication was used in the project, the amount of complementary site work caused delays, complaints, and a slow learning cycle. A standardization process was used to shift product 'know-how' from person to product, ...