近年来,世界各国的橡胶基或塑料基单层屋面防水卷材虽然呈现增长的趋势,但沥青基防水卷材仍占主导地位。例如,苏联的平屋面90%以上使用沥青防水卷材,西德的沥青防水卷材占平屋面防水材料总产量的70%左右,日本、美国的沥青防水卷材占防水材料的66%。从这些数字可以说明,沥青防水卷材仍是今后研究和发展的方向。 In recent years, although rubber-based or plastic-based single-layer roofing waterproofing membranes in various countries have shown a growing trend, asphalt-based waterproofing membranes still dominate. For example, more than 90% of the flat roofs in the Soviet Union use bituminous waterproof membranes, bitumen waterproof membranes in West Germany account for about 70% of the total output of flat roofing waterproof materials, and bitumen waterproof membranes in Japan and the United States account for 66% of waterproofing materials. From these figures, it can be shown that bituminous waterproof membranes are still the direction of future research and development.