Do you live on the coast and have UPVC doors with Multi Point locks ? Then 30 seconds every 3 months, spent on each door keeping it lubricated with GT85 will prevent salt moist air corroding it.
This lock in the photo needed replacing after only 6 years and at a cost of over £200. A can of GT85 from Lock Assist is less than £6.00. If your lock is starting to look like this then give us a call on 01444 244 344, we may be able to save you at least £150.00 with a service call.