The good news is that replacing an entire uPVC door or window is rarely necessary. Most problems come down to worn mechanical parts or frame movement. A faulty multi-point lock unit or a dropped hinge can be repaired at a fraction of the cost of a full replacement unit.
Fort Locksmiths provides specialist uPVC repair services across Liverpool. We fix dropped doors, broken lock gearboxes, stiff handles, and compromised window mechanisms. We restore your home security without selling you doors you do not need.
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uPVC doors are heavy. Over time, gravity pulls the door slab down. This causes the bottom edge to drag against the frame or threshold. You might find yourself lifting the handle forcefully to get the key to turn.
Forcing a misaligned handle puts immense pressure on the internal gearbox. We adjust the flag hinges in three dimensions to realign the door. This brings the mechanism back into position and lets the key turn smoothly.
If your handle feels stiff, the internal multi-point locking strip is misaligned or failing. Dirt build-up inside the keeps can also create resistance.
If the handle stops moving entirely, the central gearbox has likely broken. We carry a wide range of replacement uPVC gearboxes and full strip mechanisms in our vans. We can replace the broken mechanical core on the spot while keeping your original door frame intact.
Losing your keys does not mean replacing the entire door. We replace the euro cylinder lock inside your current uPVC handle set.
Standard uPVC cylinders are vulnerable to lock snapping attacks. When replacing lost keys, we install anti-snap, anti-drill cylinders as standard. This ensures your key loss becomes a immediate security upgrade for your home.
In Liverpool, south-facing uPVC doors and dark frames absorb solar radiation rapidly. Unplasticised plastic expands under direct heat. Metal internal reinforcements expand at a different rate.
This thermal expansion causes the frame to swell by several millimetres during warm afternoons. The door catches on the frame. The multi-point hooks miss their keeps. The handle will not lift.
Do not force the handle during hot weather. Forcing the handle while the frame is swollen will snap the internal locking gearbox. Cold water on the exterior frame will temporarily contract the plastic. For a permanent solution, we adjust the hinge compression settings to allow for thermal tolerances without sacrificing draft proofing or security.
When double glazing mists up between the panes, the perimeter seal has failed. Moisture enters the vacuum cavity. You do not need a new window frame. We replace the glass unit inside your existing uPVC frame, saving you hundreds of pounds.
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