
Duct leakage testing
We seal each duct section, pressurise it with a calibrated fan and measure how much air escapes at the test pressure in your specification. Sections that fail are found, fixed and retested while the scaffold is still up.
How this test works- Where
- Supply, return and exhaust ductwork in data halls, battery rooms, plant rooms and cleanrooms.
- Method
- SMACNA HVAC Air Duct Leakage Test Manual, or the method named in your specification.
- You get
- Leakage per section against the allowed class, with photos of each test setup.




