GB/T 21149-2019
ActiveFired roofing tiles
烧结瓦
Application Summary AI generated
GB/T 21149-2019 specifies the classification, technical requirements, test methods, inspection rules, and packaging for fired roofing tiles made from clay or shale. It is applied in the construction industry for the production, quality control, and acceptance of ceramic roof tiles used in residential, commercial, and industrial building roofing systems. The standard ensures durability, weather resistance, and dimensional consistency for tiles installed in various climatic conditions.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.