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Removed window espagnolettes, screws and a white window handle laid on a windowsill

Repair service for windows, patio doors, glazing, insect screens

Window repair and emergency service in Luxembourg

Broken espagnolette, window that no longer closes, misted glazing or jammed patio door? Fermé-Lux comes out across Luxembourg to repair all your external joinery: uPVC, aluminium or timber windows, tilt-and-slide doors, lift-and-slide doors, insulating glazing and insect screens. Schüco, Veka, Rehau, Reynaers, Aliplast, Aluprof and all equivalent brands.

Homeowners · 5 solutions

Repair of all your joinery

Technician adjusting the hardware of a white uPVC window with an Allen key

Window repair

Whether uPVC, aluminium or timber frames, we repair the opening mechanisms. The most common fault is a broken espagnolette (the handle turns freely), or a window that no longer closes in the tilt-and-turn position. We replace the hardware and adjust the rollers for effortless closing. Service on Schüco uPVC and aluminium windows as well as all brands of joinery installed in Luxembourg.

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Fermé-Lux technician checking the top track of a sliding patio door

Tilt-and-slide door repair

These complex mechanisms require expert adjustment. Recurring faults are guide stays that come out of the track or failing central locking. We repair the sliding carriage and the tracks so your sliding door is easy to use again. Specialists in Schüco uPVC and aluminium tilt-and-slide doors, with precision adjustment by our qualified technicians.

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Fermé-Lux technician screwing the handle of a large glazed patio door with a drill

Lift-and-slide door repair

Large glazed sliding doors often suffer from the weight of the glass. Classic faults include broken rollers (carriages) or a jammed operating lever. We lift the panel out to replace the wear parts and clean the upper and lower tracks. Service adapted to large Schüco doors and other lift-and-slide systems installed in new builds or renovations.

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Fermé-Lux technician on a stepladder removing the glazing from a uPVC window

Broken insulating glazing repair

We replace broken or misted double or triple glazing. Condensation between two panes indicates a loss of insulation (argon gas escaped). We replace the glazing like for like while keeping your existing frame to restore your thermal performance. Measured on site and replaced like for like within a few days, without changing your original joinery.

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Trimming new insect screen mesh fitted into its frame with a utility knife

Insect screen repair

A torn insect screen is no longer effective. We repair the mesh of roller, pleated or sliding insect screens. Faults include broken return springs, severed guide cords or bent fixed frames. We re-mesh your frames for lasting protection against insects. Specialists in M&S Insektenschutz screens and all brands, with re-meshing and parts replacement on site.

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    Looking to install new windows instead?

    Fermé-Lux installs made-to-measure windows, French doors and patio doors in Luxembourg using Schüco uPVC or aluminium profiles, as well as M&S Insektenschutz insect screens.

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