How To Clean A Roof Vent. Sometimes a set of them depending on the vent. When a sink isn’t draining properly, and the waste line isn’t clogged, you may need to take a look upward to find the culprit — up toward the vent system.
Before you attempt any work at roof height, take into account the accessibility and condition of the roof, the weather conditions, and any other factors that might complicate the job. Cleaning a dryer vent on a roof is a relatively simple process, but some steps may require professional attention. Grab a plastic garbage bag to bring to the roof with you to put the lint in.
Commercial vacuums are used to suck up as much lint and debris as possible from the inside.
Commercial vacuums are used to suck up as much lint and debris as possible from the inside. Start twisting your auger cable around to grab hold of the clog and any other gunk that is in the vent pipe. Do not try this approach if you have no experience working on high ladders or aren't comfortable with the project. Meanwhile, the screwdriver is used to unscrew the vent’s cap, if there is any.