IGMA/GANA Guidelines for Use of Capillary/Breather Tubes

These guidelines discusses various attributes of capillary and breather tubes including advantages and disadvantages, workmanship and manufacturing considerations, storage and handling and glazing.


IGMA is the trade association representing the interests of the Insulating Glass industry not only in North America but worldwide. Our focus is on developing and advancing new technologies in the manufacture of insulating glass units through development of codes and standards, topic industry publications, education, product certification and leading edge research.