Each year thousands of fires are sparked due to clogged dryer vents. How often do you clean your dryer lint trap? Pictured here is a dryer vent that is overloaded with lint, this is extremely dangerous. Lint and other debris can build up in your dryer vent, reducing air flow to the dryer, backing up dryer exhaust gases, creating a fire hazard. Please remember to clean your lint trap after every use. Also there are professionals that come and clean the dryer vent. Some signs that the vent may be clogged is that the clothes are not drying completely in one cycle, debris in the outside dryer vent opening, excessive heat in the room where the dryer is, and large amounts of lint accumulation in the lint trap for one cycle.