Sticky locks are one of the most common types of household problems according to a recent Which? survey. Regular application of lubricant to locks will help with day to day operation and will also increase the life span of the lock.
Graphite powder is the best form of lock lubrication, a small amount of powder can be pumped into the lock to form a thin layer of protection on the moving metal parts. The graphite powder not only repels water but also stops the build up of dirt and grime associated with more traditional liquid based lubricants