For door lock greasing you need to take help from locksmiths. Locksmiths are experts in greasing your door locks. You can visit a locksmith service station or even call a locksmith at your living site for handling the project. Professional locksmiths follow the proper technique for greasing the door lock. Before initiating the greasing sequence locksmith first clean the lock from both inside and outside. The outside area can be cleaned easily by using fiber cloth and for the inside area, fast air blow mechanism is applied. With the fast flow of air, even the minor dirt particles get out of the lock. Greasing material generally attract dust particle and this is the reason that locksmith first make the area clean and after that apply grease over every moving component. Greasing helps a lot in increasing the durability of the lock. Locksmith DC is best in greasing your home door locks. With a simple phone call, you will be able to hire them.