Movin' on up

[DreadPirateRoberts]

Originally Posted by Cadaverous Pallor

The vent is built into the concrete under the building and comes out on the patio. There's no "underneath" for us to crawl into. I glanced at a book detailing how to clean out a dryer vent using a plumber's snake the other day - I'm going to have another look and weigh our options.

If the vent is built into the concrete, it probably doesn't have many twists and turns. I'd get the plumber's snake and give it a try. Do you see lint at the outlet? I wonder why so much lint would be getting in the exhaust vent, sounds like the lint screen isn't doing its job. Maybe the lint screen doesn't fully seat?