GB/T 39684-2020

Active

Test method of thermal irregularities for external window opening

外窗热工缺陷现场测试方法

Standard Type
GBT
ICS
91.040.01
CCS
P32
Status
Active
Issue Date
2020-12-14
Implementation
2021-07-01
Centralized Committee
住房城乡建设部
Issuing Authority
国家市场监督管理总局、中国国家标准化管理委员会

Application Summary AI generated

GB/T 39684-2020 specifies a field test method for detecting thermal irregularities in external windows, such as air leakage or insulation defects, using infrared thermography. It is applied in the construction industry for on-site quality inspection of installed windows in residential and commercial buildings. The standard ensures compliance with energy efficiency requirements by identifying thermal performance issues during building acceptance or retrofit evaluations.

Related Standards

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.