GB/T 20474-2015
ActiveAsphalt shingles made from glass felt
玻纤胎沥青瓦
Application Summary AI generated
GB/T 20474-2015 specifies the classification, technical requirements, test methods, inspection rules, and packaging for asphalt shingles made from glass felt. It is applied in the construction industry for roofing materials on residential and commercial buildings, ensuring waterproofing and durability. This standard is used by manufacturers and quality inspectors to verify product performance in building envelope applications.
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