Bi-folding doors are a stylish and practical addition to any home or business, but poor installation and lack of maintenance can lead to sliding issues, misalignment, and broken parts. At Ace Windows, Doors, Locks & Glass, we specialise in bi-folding door repairs, ensuring that your doors operate smoothly, securely, and efficiently.
Around 90% of our bi-fold door repair enquiries involve doors that were never installed correctly in the first place. Many of these issues arise from poor-quality installations by unqualified companies, leading to excessive wear and tear, faulty components, and improperly toe & heel’d double glazed units. These common problems cause doors to slide incorrectly, become stiff, or even stop working altogether.
We provide expert fault diagnosis, high-quality replacement parts, and professional servicing, ensuring long-lasting performance and improved functionality.
Doors not sliding smoothly: Often caused by misalignment, track obstructions, or poor-quality hardware.
Locks or bolts not engaging properly: This issue can result from worn-out lock mechanisms, broken bolts, or incorrect alignment.
Double glazed units slipping or moving: Non toe & heel’d glazing can cause doors to slide incorrectly and fail over time.
Broken handles or hinges: Excessive use or low-quality fittings lead to snapping, loosening, or complete failure.
Gaps or draughts around the doors: Damaged or worn-out seals and gaskets allow air and moisture to enter.
Our team quickly identifies the cause of the issue and provides effective repairs and part replacements.
Problem Diagnosis & Fault Finding
We conduct a thorough inspection to identify the root cause of your bi-folding door problems.
- Assessing sliding tracks, hinges, and locks
- Checking for misalignment, incorrect glazing, or worn components
- Providing a detailed solution with the best repair approach
Lock, Bolt & Euro Cylinder Replacements
Faulty locks and bolts can compromise security and door operation. We supply and install:
- Replacement locks, bolts, and lock-off nuts
- High-security Euro cylinders for added protection
- Upgraded locking mechanisms for improved performance
Glazing Replacements & Toe & Heel Service
Improperly fitted glass can affect door balance and smooth operation. We provide:
- Toe & heel adjustments to correctly distribute weight
- Double and triple glazing replacements
- Sealed unit installation to prevent movement
Replacement Handles, Hinges & Hardware
Broken handles and hinges affect both functionality and aesthetics. We offer:
- Handle replacements for uPVC, aluminium, and timber bi-fold doors
- New hinges for smooth operation and weight support
- Upgraded door hardware for increased durability
Track & Sliding Mechanism Servicing
Regular servicing prevents jamming, sticking, and excessive wear. Our services include:
- Realigning and lubricating mechanical parts
- Repairing or replacing worn-out tracks and rollers
- Cleaning and removing debris from sliding systems
Seals, Gaskets & Draught-Proofing
Over time, seals and gaskets deteriorate, leading to draughts and water ingress. We provide:
- Replacement gasket rubbers and weather seals
- Improved insulation to prevent energy loss
- Door frame realignment to ensure a secure seal
General Bi-Fold Door Servicing (6-12 Months Recommended)
Routine servicing extends the life of your doors and prevents major repairs. We recommend:
- Adjusting hinges, locks, and pivot points
- Cleaning and lubricating all moving parts
- Checking and tightening all fixings
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