Standard No.:	GB/T 328.21-2007
Chinese Name:	建筑防水卷材试验方法 第21部分：高分子防水卷材 接缝剥离性能
English Name:	Test methods for building sheets for waterproofing—Part 21:Plastic and rubber sheetsfor waterproofing-resistance to peeling of joints
Professional Classification:	Q17 Roof and pavement waterproof and barrier material
Professional Classification:	GB National Standard
ICS Classification:	91.120.30 Waterproofing
Issued by:
Issued on:	2007-03-26
Implemented on:	2007-10-01
Status:	VALID
Language:	English
File Format:	PDF
Word Count:
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This Part of GB/T 328 specifies a method for determining the resistance to peeling of joints between two adjacent sheets of the same plastic or rubber sheets for roof waterproofing.
This test method will be used mainly for testing the joints in mechanically fastened plastic or rubber sheets for roof waterproofing.
The peeling characteristics of a joint between two widths of plastic or rubber sheets vary considerably depending on the material, method of jointing, the size of the overlap and the workmanship.