论文部分内容阅读
加拿大一公司生产出一种新型的屋面材料,原料来自于废弃的聚合物如橡胶制品。这种屋面材料具有很多优异的特性: 1)质轻 和标准沥青屋顶毡的质量相当,安装时不再需要额外的支撑。
A Canadian company produces a new type of roofing material made from discarded polymers such as rubber. This roofing material offers many excellent features: 1) The lightweight and standard bitumen roofing tiles are of comparable quality and require no additional support during installation.