There is a need for the development of insulation products with excellent insulation performance and durable insulation for building components. Various policies has been trying to improve the energy efficiency of buildings. The development of energy-saving building materials is also evolving as the energy saving of buildings becomes a main trend. In public and commercial buildings, reliability and beauty are emphasized with respect to the safety of buildings. The purpose of this study was to develop a manufacturing equipment and technology for the development of high airtight stainless steel insulation doors that can meet energy saving design standards of buildings.

• 이태연(Member, Gangneung-wonju National University, Mechanical & Biomedical Eng.) | Tae-Yeon Lee Corresponding author
• 신준(Gangneung-wonju National University, Mechanical & Biomedical Eng.) | Joon Shin