It is designed to apply to bridge which needs woterproofing adhesive construction method such as cooper or concret of upper part of bridge, highway and high speed railway as well as the parts where the same construction method is required. It is a kind of synthetic resin film waterproof based on chroloprene rubber mixed with fiber, pigment plus solvent. Generally non-volatile contains 30~50%. It can be applied 3 to 5 times and dryed by volatilization and makes Continuous waterproof film with thickness of 0.4!1.5mm. Adhesive mainly consists of raw materials like chroloprene rubber, synthetic resin and pigment, but considering penetrration into concret, 75~90% solvent is used. Usually, it can be applied 1~2 times on upper part of concret. In order to have good adhesion with waterproof, waterproof film is formed. This products form Primer 700-P as 1st primer, Primer 731-C as 2nd primer and 731-G as top coat.