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美国TPO防水卷材标准已作了修订,以期提高TPO防水卷材性能。从事TPO屋面系统设计、施工的人士应了解这些变化,并认识到仍有必要作进一步的改进。ASTM D6878ASTM D6878《热塑性聚烯烃卷材屋面标准》是美国关于TPO防水卷材的产品标准。该标准由ASTM于2003年第一次发
The United States TPO waterproofing membrane standards have been revised, with a view to improve TPO waterproofing membrane performance. Those involved in the design and construction of TPO roofing systems should be aware of these changes and recognize that there is still a need for further improvement. ASTM D6878ASTM D6878 “thermoplastic polyolefin coil roofing standards” is the United States on the TPO waterproofing membrane product standards. This standard was first published by ASTM in 2003