Aluminium door and window maintenance checklist

Updated: 5 days ago
Dirt, wear and poor adjustment can gradually damage the mechanisms inside commercial aluminium doors and windows. Identifying the warning signs early can prevent inconvenient failures, improve security and reduce the likelihood of more expensive repairs.
Use this aluminium door and window maintenance checklist to identify common problems affecting aluminium doors, windows and glazing systems.
Signs your aluminium doors or windows need attention
If you recognise any of these faults on your doors and windows, contact one of our expert advisors now.
aluminium door and window maintenance checklist
🔧 Binding or difficult operation
Doors and windows should open and close smoothly. Binding, stiffness or increased resistance may indicate dirt within the mechanism, poor alignment, worn components or excessive load on the operating system.
🛠️ Noisy or clunky movement
Grinding, scraping, clicking or knocking noises should not be ignored. These sounds can indicate worn rollers, hinges, guides or other moving components.
🔧 Sliding doors rubbing
A sliding door that rubs against its frame, track or threshold may have dropped out of alignment or developed problems with its rollers. Continuing to force the door can cause further damage.
🛠️Bi-fold doors dropping
Dropped or uneven bi-fold doors can become difficult to operate and may no longer close or lock correctly. Adjustment or replacement components may be required.
🔧 Misalignment
Uneven gaps, catching edges and doors that no longer sit squarely within the frame are common signs of misalignment. This can affect operation, security and weather resistance.
🛠️ Locks becoming difficult to operate
A stiff lock or handle may be caused by misalignment rather than the lock itself. Forcing it can damage the locking mechanism, handles or associated components.
🔧 Water ingress or draughts
Leaks and draughts may indicate failed seals, blocked drainage, movement within the system or poor adjustment. The source should be identified before damage spreads to surrounding finishes.
🛠️ Cracked or failed glazing
Cracked glass, misted sealed units or damaged glazing seals require professional inspection. The correct repair will depend on the glass specification, framing system and cause of the failure.
🔧 What to do next
Avoid forcing a door or window that has become difficult to operate. Photograph the affected area, note any noises or changes in movement, and arrange an inspection before the problem worsens.
Rock Maintenance inspects, services and repairs commercial aluminium doors, windows and glazing systems throughout London, Essex and the South East.
Send us photographs and a brief description of the fault. One of our aluminium door and window specialists will review the problem and advise you on the next step.



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