DS DS 1126.7
DS DS 11267 1985-JAN-01 Jonts n buldng - Laboratory method of test for ar permeablty of jonts
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The method of test specified in this Standard deals with points A.8 of subclause 3.1 of ISO 3447. The method has been adapted from a standard test for the air permeability of windows. Care should be taken in relating the results of laboratory tests on joints to their actual performance on site.