How To Clean A Roof Vent. Use a plumber’s snake of electricians fish tape to unclog the stoppage. It begins with soffit vents that inhale outside air—necessary to create an airflow that moves warm attic air out the roof vents.
Start by trying to clean the roof vent and main drain with a hand held drum auger. Here are the steps that we at dust doctors follow when cleaning a dryer vent on your roof. The screen was completely clogged with lint and blocking the air flow.
Begin by going to the vent portion that’s inside of your home.
For electric dryers, unplug the cord from the outlet. Grab a plastic garbage bag to bring to the roof with you to put the lint in. Have an assistant flush a toilet while you hold your hand over the vent. The best way to clean them is with blasts of compressed air to blow away dust, dirt and any loose insulation that may have fallen into the soffit area.