EN 12153, EN 1026 Air Permeability Tests
In air permeability tests, the air infiltration of curtain walls and doors / windows is measured for both fixed and openable elements according to EN 12153 and EN 1026. During the tests, the sample is subjected to both positive and negative pressures reaching up to 10000 Pa in façade samples and 5000 Pa in window / door samples. Air penetration intensity is expressed as m³ / hour. The results of the tests are defined as air permeability per unit area and air permeability per unit length of sealing as m³ / h.m² and m³ / h.m respectively.
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