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Flues that are too long can result in lint accumulating in the flue because the dryer blower motor is not powerful enough to force moist, lint-laden air through the long flue. Vertical flues create the same type of problems since moist, lint-laden air is heavier than normal.
Improper plastic and metal corrugated flue too long for many dryer blower motors. |
Improper plastic corrugated flue with long, vertical run. Dryer flue vent termination hoods The dryer vent hood should terminate at an exterior location so that moist, lint-laden air does not cause damage to structural framing or mechanical systems and components. Dryer flues should never terminate in a foundation crawl space or in the garage. The vent hood itself often becomes clogged with lint, possibly causing lint to accumulate within the flue itself. |
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