Roof Dryer Vent Cleaning in Pacific Palisades, CA

Why does a roof vent clog faster than a wall vent?

Because gravity and screens work against you. A roof-terminating run goes vertical, often from a second-floor laundry room on a newer two-story or hillside home. Lint rises, cools, then settles back down the duct. Roof-jack screens and bird guards catch what does escape. They pack solid. The flapper stops lifting. Then moisture backs into the laundry room, and on a gas dryer that matters more.

The work is two-ended. A rotary brush fed only from the laundry side pushes debris into the jack and jams it worse. The termination gets opened from the roof, the guard pulled and cleared by hand, then the brush runs down to meet airflow from below. Steep pitches and clay or concrete tile in the canyon streets change the access plan. Tile walks differently than composition shingle.

Canyon and hillside addresses see nesting in roof terminations. Birds and rodents treat a stuck flapper as an open door. If a guard is gone or crushed, it gets replaced, not just brushed.

Plan on every six to twelve months for roof runs, sooner with daily loads. Wall vents on the prewar bungalows below usually hold a year. Vertical runs do not.