This is a common problem with aluminium doors generally. Without regular maintenance the problems will worsen, and could end up costing you a lot of money in the long run. For a small fee now, you can save a lot in the long run.
Westview glass & Aluminium are experts in maintaning Aluminium Sliding doors, we specialise in replacing rollers to Aluminium Sliding Doors. As we carry a large range of rollers in our sevice vechiles we can have your door rolling smoothly in the one visit. We also can also supply & install new handles & locks to Aluminium Sliding Doors.
(Westview Glass does not replace rollers to windows or offer any other maintenance services)