GB/T 29734.3-2020
ActiveEnergy-saving windows and doors for buildings—Part 3: Steel-plastic complex windows and doors
建筑用节能门窗 第3部分:钢塑复合门窗
Application Summary AI generated
GB/T 29734.3-2020 specifies technical requirements, test methods, and inspection rules for steel-plastic composite windows and doors designed to improve building energy efficiency. It applies to residential and commercial buildings in China, particularly in regions with moderate to cold climates where thermal insulation and structural strength are critical. The standard ensures these products meet performance criteria for heat transfer, air permeability, and water tightness during manufacturing and quality 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.