抄録
Ministry of Land, Infrastructure and Transport were conducted “The Lead Model Project For Long-term Quality Housing” from 2008. This project, about the way in society continue to use high-quality housing to create a long, are intended to promote public awareness will contribute to the development of a technology widely presented to the public. Lead project will be the cost increase, such as building a new production system and the initial performance improvement. However, also has been adopted by small housing builders are said to generally weak financial base, not only a major housing supplier. In this paper, we focused on small housing builders, to clarify the characteristics and recognition of issues of that effort.