屋面防水——是房屋修建中经常令人费心的题目。目前,各种防水材料名目繁多,性能各异。据了解,上海化工轻工公司化工塑料厂生产的大厦牌氯丁胶乳沥青防水胶料性能比较优越,是同类产品中优秀的产品之一。该产品比传统的三油二毡强二至三倍,经久耐用,防水作用达十年以上。经本市及外地许多单位使用,认为有以下几个优点:一、延伸性好,能充份适应基础变动,抗 Waterproof roofing is a subject that is often confusing for building a home. At present, various kinds of waterproof materials have various names and properties. It is understood that the performance of the building brand neoprene rubber bitumen waterproof plastic compound produced by Shanghai Chemical Industry Light Industry Company Chemical Plastics Factory is superior, and it is one of the best products in its class. The product is two to three times stronger than the traditional three oil two felts, durable, waterproof for more than a decade. Through the use of many units in this city and abroad, it is considered that there are several advantages: First, it has good extensibility, and it can fully adapt to changes in the basics.