Garage door spring spray is a lubricant specifically designed for the springs and moving parts of garage doors. It reduces friction, improves performance, and extends their lifespan. Regular lubrication is crucial for smooth operation and longevity. The type of lubricant suitable depends on factors like climate and usage frequency. Proper application involves following safety precautions and carefully lubricating all moving components. While DIY lubrication is possible, professional installation ensures proper application and optimal results. Addressing common issues and following best maintenance practices can enhance garage door durability and efficiency.