Install the vent without cement to make sure everything ... Then steam and humid air have nowhere to go. They end up damaging drywall and woodwork, providing places for mold to grow.

of 4-inch duct, and subtract 5 feet for every 90-degree turn and 2 1/2 feet for every 45-degree turn for dryer vent installation. For example, a dryer with a 90-degree elbow at the exhaust port ...