GB/T 8484-2008
AbolishedGraduation and test method for thermal insulating properties of doors and windows
建筑外门窗保温性能分级及检测方法
Application Summary AI generated
This standard specifies the classification levels and laboratory test methods for evaluating the thermal insulating performance of exterior doors and windows used in buildings. It is applied in the construction industry for product certification, quality inspection, and energy efficiency compliance of residential and commercial building envelopes. The standard defines a heat transfer coefficient (K-value) grading system and a steady-state hot box test procedure to measure heat loss under controlled temperature 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.