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(1.5 CEUs) This lesson covers the most important installation issues you’ll encounter when inspecting insulation. This lesson covers how to evaluate the performance of installed insulation. Insulators should install insulation using established procedures that optimize its effectiveness. However insulators often install insulation incorrectly. You’ll learn the following.

  • Why insulation’s thermal resistance is often less than its rated R-value.
  • How other building factors, including air leakage, affect insulation’s effectiveness.
  • How to select insulation that’s best suited to your project’s purpose, location, and budget.