Ontario Building Code Practice Exam

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Which of the following is not a requirement for a fire-rated glazing assembly in a residential building?

  1. Labeled with a fire rating

  2. Non-combustible framing

  3. Minimum thickness of 6 mm

  4. Continuous from floor to underside of roof sheathing

The correct answer is: Minimum thickness of 6 mm

A minimum thickness of 6 mm is not a requirement for a fire-rated glazing assembly in a residential building. This is because the required thickness of fire-rated glazing depends on the fire rating and the type of building. Options A, B, and D are all requirements for a fire-rated glazing assembly. These include being labeled with a fire rating, using non-combustible framing, and being continuous from the floor to the underside of the roof sheathing to prevent the spread of fire. It is important for fire-rated glazing to meet all of these requirements to ensure the safety of the building and its occupants.

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