JIS A 1520:1988
JIS A 1520:1988
Method for field measurements of sound insulation of windows and doors
Japanese Standards Association
Method for field measurements of sound insulation of windows and doors
Japanese Standards Association
This Japanese Industrial Standard specifies the method to measure the sound quasi-transmission loss representing the sound insulating performance of windows and doors attached to the external wall of buildings.
Document Type | Standard |
Status | Current |
Publisher | Japanese Standards Association |