How often should roof vents be cleaned?
Short answer. Most roof vents should be checked at least once a year and after major storms, and cleaned whenever you find debris, nests, or pollen buildup blocking the screens. Soffit vents, power fan screens, and any dryer vent that exits through the roof need the most attention, with dryer vents cleaned at least annually.
What clogs vents in Georgia
- Pine pollen: the yellow coating every spring builds up on soffit screens and ridge vent filters.
- Leaves and needles: collect around box vents and in valleys near vents.
- Wasp and bird nests: common in gable vents, soffit openings, and turbine vents.
- Lint: dryer vents that exit through the roof clog at the cap flap.
- Paint: repainting soffits can seal perforations.
A sensible schedule
- Each spring: after pollen season, look at soffit vents from below and check ridge and box vents from the ground with binoculars.
- Each fall: after leaves drop, clear debris around vents and in gutters.
- After big storms: look for cracked or missing vent hoods and branches on the roof.
- Yearly: clean the dryer duct and its roof or wall cap, and test any powered attic fan.
How to clean them safely
- Use a soft brush or vacuum on soffit vents from a stable ladder.
- Clear nests only when inactive, or call pest control for wasps.
- Do not pressure wash roof vents or soffits; water can be forced into the attic.
- Leave work on steep or two story roofs to a professional.
Fold vent checks into your regular roof upkeep with the Georgia roof maintenance checklist and see pine needles and leaves on the roof.