Airtightnes in our region is the most neglected part of the measures for achieving energy efficiency and high comfort in buildings, because of two reasons. The first is that the regulations in Macedonia do not deal with this problem at all, and secondly because the knowledge of the builders on this subject is very small and often none.
This is a method for finding the places through which the air penetrates, even when doors and windows are closed. The poor clogging of the building's shell is the cause of huge energy losses, unpleasant drafts, penetration of polluted air, odors, insects and rodents. Poor sealing even between floors and parts of the buildings brings the same problems, especially in high-rise buildings and large-surface objects.