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(1.5 CEUs) This lesson begins by talking about duct-leakage standards and duct leakage measurement. You’ll learn where to find the duct leaks in this lesson. Also, this lesson shows you the methods and materials that duct sealers used to seal ducts. We then discuss these duct air sealing topics.

  • The most effective methods to test leaky duct systems.
  • How to locate air leaks in different types of ducts.
  • How to seal and repair the ducts permanently.