GB/T 39968-2021
ActiveTechnical specification of ventilation louvers for building
建筑用通风百叶窗技术要求
Application Summary AI generated
GB/T 39968-2021 specifies performance requirements, material selection, structural design, and testing methods for ventilation louvers used in building envelopes. It applies to fixed or adjustable louvers installed in walls, doors, or windows of residential, commercial, and industrial buildings to ensure adequate airflow while resisting weather ingress. This standard guides manufacturers, architects, and construction inspectors in evaluating louver durability, wind load resistance, and rain penetration control.
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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.