A few parts of duct tape over a rip with your vent duct can return it to air-limited and also sturdier than it was before in resisting crumpling or upcoming injury. Step 5: Tighten Seals at The two Ends of your DuctSoon after repairing the flex vent behind the dryer, it can be a smart idea to clean the vent ahead of re-setting up it. You will find