GB/T 328.20-2007 Test methods for building sheets for waterproofing Part 20: Bitumen sheets for waterproofing-resistance to peeling of joints (English Version)
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 328.20-2007
Scope
This part of GB/T 328 specifies the same method for the determination of the peeling performance of joints between asphalt roof waterproofing membranes. This test method is mainly to test the joint performance of mechanically fixed single-ply asphalt waterproofing membrane. The peeling characteristics between the lap widths of asphalt-based membranes vary with the material, the method of lapping (flame or heat welding, thermal bonding or asphalt, cold adhesive, etc.), the size of the lap, and the operating process.
GB/T 328.20-2007 Referenced Document
GB/T 328.1 Test methods for building sheets for waterproofing Part 1: Bitumen, plastic and rubber sheets for waterproofing-rules for sampling
JJG 139-1999 Verification Regulation of Universal Tension and Compression Testing Machine
GB/T 328.20-2007 history
2007GB/T 328.20-2007 Test methods for building sheets for waterproofing Part 20: Bitumen sheets for waterproofing-resistance to peeling of joints