When the lock is sticky, it's possible that dust and dirt have something to do with it. It may also be dry. Careful cleaning and full lubrication will help to solve this kind of problem. If you feel any resistance when trying to turn the key, this may reveal that the blade is bent or worn. Replacing the key will make things right again. When turning the key is impossible, however, the cylinder has most likely failed and should be replaced. All modern UPVC door locks have multipoint locking mechanism designed to offer a high level of security. When its bolt gets jammed, the repair will involve retracting the bolt and adjusting the strike receiver and the mechanism. When the door cannot get closed and locked, the mechanism is most likely broken or greatly worn and should be replaced.
Difficulties with closing and locking the door can occur when the panel and frame are misaligned. It’s easy to confirm this by looking at the mitres at the top corners of the door. If they don’t form a straight line, door adjustment is required. This involves changing the settings of the hinges. Both flag and butt ones have special screws for that purpose. A close exam and careful testing will confirm that the door is properly aligned once again. Even minor damage to the panel and frame shouldn’t be ignored. It is best if cracks, chips and splits are fixed while they are still small. If the damage spreads, the panel or frame may have to be replaced.Back To Our Services