Skip to Content

Testing of air permeability according to EN 1026



EN 1026 - Air permeability

Division Building components:

Further information and contact

Scope according to EN 1026 (Chapter 1):

This European Standard defines the test method to be used to determine the air permeability of completely assembled windows and doorsets of any material, when submitted to positive or negative test pressures. This test method is designed to take account of conditions in use, when the window or doorset is installed in accordance with the manufacturer’s specification and the requirements of relevant European Standards and codes of practice.

Requirements according to EN 1026 (Chapter 5):

  • Means for applying controlled test pressure to the test specimen
  • Means of producing rapid changes in test pressure, controlled within defined limits
  • Instrument suitable for measuring the quantity of air flow into or out of the chamber with an measurement uncertainty of ± 5 % (calibrated at +20°C and 101 kPa)
  • Means of measuring the test pressure applied across the test specimen, within an measurement uncertainity of ± 5 %
  • Means of sealing all joints of the test specimen, when required



ift Rosenheim

+49 8031 261-0
+49 8031 261-290

In order to optimize our website for you and to be able to continuously improve it, we use cookies. By continuing to use our services, you agree to the use of cookies. Further information on cookies can be found in our privacy policy.