How to check the installation of the Air Duct ?

How to check the installation of the Air Duct ? In this article, we will talk about the steps that must be followed when checking the installation of an air duct .

Air Duct
Air Duct

How to check the installation of the Air Duct ?

 Material Inspection

Before starting installation, make sure that the materials conform to the technical specifications

Installation work inspection

  • Ensure that the duct size is in accordance with the approved engineering drawing
  • Duct straightness check.

  • Check the distances and levels between the duct and the walls according to the engineering drawing or the coordination .
  • Check the duct supports.
  • Make sure to use an air seal between the spaces between the duct joints .
  • Ensure that the internal insulation is installed for the ducted places that contain internal insulation according to the approved engineering drawing.
  • Ensure the correct installation of the external insulation of the ducts.

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How to Duct leakage testing ?

There are three different methods for a duct test
  • Duct smoke test or
  • Duct light Test or
  • Duct leakage test ( under pressure) A duct leakage tester consists of a calibrated fan for measuring an air flow rate and a pressure sensing device to measure the pressure created by the fan flow. The combination of pressure and fan flow measurements are used to determine the ductwork airtightness.

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