Air-tightness of a building This refers to the ability of building partitions and structural joints to limit uncontrolled air flow between the interior of a building and the external environment. This parameter is of great importance for energy efficiency, occupant comfort and the durability of the entire structure. Air leaks can lead to heat loss, draughts, reduced ventilation efficiency and dampness in building partitions.
W modern construction Air-tightness is designed for right from the stage of developing structural details and insulation layers. Particular attention must be paid to the junctions between walls, roofs, window frames and service penetrations. The building’s airtightness level It is often checked using a „blower door” test, which identifies areas of uncontrolled air flow and assesses the quality of the partitions’ construction.
