What Is The Best Door Lock Lubricant? And How Do You Use It? B'laster Premium Silicone Garage Door Lubricant Aerosol, 9.3 oz Kroger The Best Garage Door Lubricants Tested by Bob Vila Use Silicon Spray instead of WD 40 in open & exposed areas. Use this silicon spray for smooth functioning of your cars hinges, locks, mirrors, door handles and longer life of rubber sleeves., WHY LUBRICATING DOOR HINGES MATTERS Door hinges might seem insignificant, but neglecting them can lead to real problems over time. Prevents annoying squeaks That creaking sound isn't just noise it's metal