Gas Fitter Practice · Question
What is the minimum height above the roof for a vent terminal that passes through the roof?
Vent terminals must extend a minimum of 12 inches (30 cm) above the roof surface to prevent obstruction by snow or debris and ensure proper draft.
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Question: What is the minimum height above the roof for a vent terminal that passes through the roof?
Answer options:
- 6 inches (15 cm) ✅ 12 inches (30 cm)
- 18 inches (45 cm)
- 24 inches (60 cm)
Correct answer: 12 inches (30 cm)
Explanation: Vent terminals must extend a minimum of 12 inches (30 cm) above the roof surface to prevent obstruction by snow or debris and ensure proper draft.
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Question explanations
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