过去20年间,TPO已经发展成为最常见的低坡屋面用卷材之一。诸多因素推动了其发展,包括反射性能、施工方便以及其他综合性能等。但随着这种卷材应用的日益广泛,关于其长期功能的问题也随之产生。虽然这种卷材迄今还未发生系统上的问题,但制造商已断断续续发现了一些问题。总体功能2000年以来,关于TPO的长期功能已进行了不少研究,例如西部屋面承包商协会(WSRCA)对来自 Over the past two decades, TPO has evolved into one of the most commonly used sheets for low-slope roofing. Many factors have contributed to its development, including reflective properties, ease of construction, and other comprehensive capabilities. However, with the growing availability of such coils, problems with their long-term functionality have also arisen. Although there have been no system problems with this web so far, some problems have been uncovered by manufacturers. Overall Function Much research has been done on the long-term functionality of TPOs since 2000, such as the Western Roofing Contractors Association (WSRCA)