| abstract |
The present invention provides a method of forming a composite coating structure in which a coating film excellent in water resistance, acid resistance, alkali resistance and mechanical strength is combined with concrete, cement mortar, asphalt or metal and a composite coating structure having the composite coating. According to the present invention, a coating film (A) made of a polyolefin resin is formed by spraying, a primer made of a urethane resin is coated on the coating film (A) to form a coating film (B) And forming a layer (D) by applying at least one selected from the group consisting of cement mortar, cement concrete and packaging asphalt onto the coating (C). |