This standard specifies the classification and testing methods for the thermal insulation performance of building exterior windows. This standard is applicable to the detection and classification of the thermal insulation performance of building exterior windows (including skylights and glass inlaid parts on the upper part of balcony doors, excluding the opaque parts on the lower part of balcony doors).
GB/T 8484-2002 history
2020GB/T 8484-2020 Test method for thermal insulating performance for building exterior doors and windows
2008GB/T 8484-2008 Graduation and test method for thermal insulating properties of doors and windows
2002GB/T 8484-2002 Graduation and test method for thermal insulating properties of windows