Repeatability and reproducibility of blower door tests ‒ five years experience of round-robin tests in the Czech Republic

The airtightness test result is typicaly compared with a limiting value (compliance check), with the results of other tests of the same object by the same technician (when controling the evolution of airtightness during construction process) or with a test result of another technician (when verifying a suspicious result). These tasks need a...