The late nineties of the 20th century, China's Shanghai, Dalian, China, the rise of the "flat to pitched" hot, flat roof almost all along the street have changed to pitched roof, the city a new look. Serves as the main slope roof material is asphalt shingles, is characterized by its maximum weight, the color is greater. Asphalt shingles is a glass mat for the matrix, by dipping high-quality asphalt, the side cover color mine without aggregates, on the other hand scatter to isolate the tile made of materials like roofing sheets, it has good water , decorative features and rich colors, forms, light and surface details, construction and simplicity. Asphalt shingles is a kind of decoration and waterproof roofing. In the United States and Canada production and use of large, mainly for residential and commercial buildings in the sloping roof. Production in Europe to use asphalt shingles, but relatively smaller quantities.
Twentieth century, the mid-eighties, Tianjin, Wuhan introduced multi-Modified bitumen membrane production line can produce asphalt shingles, but the market did not expand. The twentieth century, Shanghai and other coastal cities, such as "flat to pitched," became the preferred color of asphalt shingle roofing materials. This not only changed the urban landscape, but also improve roof drainage and insulation properties.