Ontario Building Code Practice Exam

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Prepare for the Ontario Building Code Exam with comprehensive quizzes that include multiple choice questions and detailed explanations. This essential resource will guide you through key topics required to pass the exam with confidence!

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Which of the following materials is not permitted for use as insulation in a residential building?

  1. Fiberglass

  2. Cellulose

  3. Polyurethane foam

  4. Asbestos

The correct answer is: Asbestos

Asbestos is not permitted for use as insulation in a residential building because it has been linked to serious health risks such as lung cancer and mesothelioma. Fiberglass, cellulose, and polyurethane foam are commonly used materials for insulation in residential buildings and do not pose the same health hazards as asbestos.

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