Frequent dryer vent cleaning could save you a lot of trouble.
The main cause of dryer fires is lack of maintenance, with lint cited as the first item to catch fire. Poor airflow and lint build-up in the duct cause the appliance to overheat, preventing rapid drying.

Fires can also be caused by:
- Mechanical or electrical failure.
- Fabric unfit for drying.
- Insufficient venting due to poor installation.
- White vinyl or non-metallic ducting.