HB SYSTEM Corp. has been leading the domestic professional construction waterproofing company based on the best technology and perfect quality control. Gradually diversified building structures and building construction environments are rapidly changing, and recent construction technologies require various conditions such as securing high-performance quality, easy construction, eco-friendliness, and maintenance. In order to realize perfect waterproofing, our company has repeatedly researched and developed based on expertise and know-how accumulated through constant application and construction in various fields. As a result, we succeeded in developing a product with excellent adhesion to glass, steel plate, Lexan, and prefabricated structures with a professor from the Department of Chemistry at Yeungnam University. As a result, numerous companies such as Korea Railroad and Incheon International Airport Corporation have realized waterproofing technology that extends the lifespan of aging buildings by utilizing roof waterproofing sheets.