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Safety

Backdraft

Reverse airflow that pushes smoke or fumes back down into the room instead of up the flue.

All glossary terms

What is Backdraft?

What happens when chimney draft gives out and combustion byproducts roll back down the flue into your living space. The usual culprits are a cold flue, a blocked cap, negative house pressure from exhaust fans, or a taller competing flue nearby. Because it carries a CO risk, get a diagnostic on the calendar right away.

Related terms:DraftNegative Pressure

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