Note: Vent a dryer through the roof only as a last resort ... and drill a test hole with a 1/4-inch bit. Locate the hole outside and check for obstructions. Pro tip: If the hole is a little ...
You can also easily get at the exit point outside the house by removing its duct flap or duct cover. Next you need to buy a specialized dryer vent cleaning kit. I picked this one up at my local ...