Plumber Red Seal · Question
What is the minimum height a vent pipe must terminate above the roof surface, as stipulated by the NPC?
The NPC states that a vent pipe shall terminate at least 150 mm (approx. 6 inches) above the roof surface to ensure it remains clear of rainwater and typical de
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Question: What is the minimum height a vent pipe must terminate above the roof surface, as stipulated by the NPC?
Answer options: ✅ 150 mm
- 300 mm
- 500 mm
- 1000 mm
Correct answer: 150 mm
Explanation: The NPC states that a vent pipe shall terminate at least 150 mm (approx. 6 inches) above the roof surface to ensure it remains clear of rainwater and typical debris. In areas with significant snowfall, this height may need to be increased.
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