Roof Dryer Vent Cleaning in St. Augustine, FL

What roof-vented dryers do differently in Jacksonville

The tell is drying time, not lint. Two cycles for towels means the vertical run is loaded. Gravity works against a roof duct. Lint that falls back down settles at the elbow behind the dryer. Homeowners clean that elbow and think it's solved. The packed section is usually near the roof cap, not the appliance.

Slab-on-grade homes here put laundry on an interior wall. Two-story builds in Bartram Park and Nocatee stack the laundry upstairs. That means a long vertical chase through conditioned space. Foil flex hung in that chase sags between the strapping. Every sag is a shelf. Warm wet exhaust hits cooler duct near the attic and condenses on the lint sitting there.

Check your cap from the ground with binoculars. A dark stain fanning down the shingles below it means moisture has been leaking past the flashing. A cap sitting open in still air means the damper spring is gone. Squirrels and wasps use those. Pine pollen in spring turns a wet screen into a felt mat.

Some roofs I won't walk. Steep tile and older three-tab past its service life get cleaned from the laundry side only, with the cap handled by whoever is already permitted for that roof.