Retrofitting Drawer Runners for IKEA Faktum
A full-extension runner pulls out 100% and provides complete access to the contents, whereas a partial-extension runner stops at around 75% of its travel due to its design.
Older kitchen systems often feature robust carcases, but the mechanical components naturally suffer from wear and tear over the years. When drawers stick, sag, or make loud noises upon closing, replacing the runners becomes necessary. Anyone looking for spare parts that are suitable for IKEA Faktum does not need to replace the whole unit. By selecting the correct fittings, functionality can be restored or even upgraded with modern mechanics.
This guide is aimed at fitters and experienced DIY enthusiasts looking to retrofit drawer runners properly. The focus is on technical requirements, correct dimensions, and selecting the appropriate mechanism.
What to Look for Regarding Compatibility
For new fittings to work smoothly as an alternative to IKEA Faktum original parts, the physical parameters of the carcase must match the runner specifications precisely.
System 32 and the Hole Pattern
The industry standard in furniture construction is System 32. The lateral rows of holes inside the cabinet feature a drilling distance of exactly 32 mm. The distance from the front edge of the carcase to the centre of the first hole is usually 37 mm. Fittings that are compatible with IKEA Faktum use this grid. For mounting carcase runners, Euro screws with a diameter of 5 mm are typically used, engaging precisely into these pre-drilled holes. Alternatively, standard chipboard screws (Ø 3.5 mm or 4 mm) with a PZ drive are used.
Carcase Depth and Runner Length
The choice of runner length depends directly on the clear internal carcase depth. The runner must be shorter than the internal depth of the cabinet to fit flush. For standard cabinet depths, the following guidelines apply when retrofitting:
- Cabinet depth 60 cm: Recommended runner length 500 mm to 550 mm.
- Cabinet depth 50 cm: Recommended runner length 450 mm.
- Cabinet depth 40 cm: Recommended runner length 350 mm.
For specific conversions of complete pull-outs in these dimensions, pre-configured options are suitable, such as a kitchen cabinet pull-out 60 cm for wide base units, or narrower variants such as the kitchen cabinet pull-out 50 cm and the kitchen cabinet pull-out 40 cm.
Suitable Mechanisms for Retrofitting
When replacing runners, a decision must be made regarding which runner technology to install. This choice affects running smoothness and drawer load capacity.
Ball Bearing vs. Roller Runners
Many older cabinets come factory-fitted with simple roller runners. Here, a plastic roller runs in an epoxy-coated steel profile. This mechanism is functional but usually offers only partial extension. A technical upgrade is the ball bearing runner. In this design, steel ball bearings run within a telescopic profile. This construction allows for full extension drawer runners and is characterised by significantly higher lateral stability.
Weight and Load Capacity
For cutlery drawers, a standard load capacity of 25 kg to 30 kg is generally sufficient. However, if heavy pots, pans, or provisions are stored in the drawers, standard fittings reach their limits. In these situations, installing heavy duty drawer runners is essential. These components feature a material thickness of up to 2.0 mm and handle dynamic loads of 45 kg or more.
Soft-Close and Handleless Systems
Two modern convenience features are often the focus when retrofitting, though they are mechanically mutually exclusive:
- Soft-Close: Soft close drawer runners absorb the momentum of the closing drawer and pull it gently and quietly into the carcase over the final centimetres. An integrated furniture damper (usually a small hydraulic piston) cushions the motion.
- Push-to-Open: Push to open drawer runners are designed for handleless fronts. Pressing the front tensions a spring mechanism and pushes the drawer open.
These two systems rely on opposite physical principles — one decelerates, the other pushes away — and therefore cannot be combined in the same runner.
Undermount Installation
If the mechanics are to remain invisible, the choice falls on undermount drawer runners. These are not fitted to the sides of the drawer, but concealed beneath the drawer base. This requires exact coordination of drawer width and bottom panel thickness (usually up to 16 mm). Complete drawer systems often use this principle to maintain a clean appearance when opened.
Fitting and Installation: Step by Step
Replacing drawer runners requires precision. The carcase runner acts as the track for the drawer; even minor deviations from the horizontal axis cause rough running or jamming.
Tools Required:
- Cordless drill/driver
- Screwdriver with PZ cross-head
- Spirit level
- Folding rule or tape measure
- Bradawl
Step 1: Removal and Preparation Remove the old drawer and unscrew the existing carcase runners. Check the hole pattern in the carcase for damage. Worn or stripped drill holes can be plugged with wooden dowels and glue, then re-drilled once cured.
Step 2: Measuring the Position If the new runner is to sit in the exact same position, the existing System 32 grid can be used. When reallocating front heights, the position of the runners must be recalculated. The distance from the carcase front edge to the first screw is regularly 37 mm.
Step 3: Mounting the Carcase Runners Align the runners using a spirit level. First, fix the screw in the slotted hole. This allows subsequent vertical adjustment of a few millimetres. Only when the runner is perfectly level should the round holes be screwed tight to lock the position.
Step 4: Mounting the Drawer Profiles On side-mounted telescopic runners, the inner profile is released and removed via a lever. This profile is screwed flush to the side of the drawer box. Precision and parallelism are vital here as well.
Step 5: Insertion and Fine Adjustment Slide the drawer into the carcase runners until the mechanism audibly clicks into place. Test the movement. If the full extension runner binds, the internal installation clearance is usually too narrow. The standard tolerance for ball bearing runners is typically 12.7 mm to 13.0 mm per side.
Frequently Asked Questions (FAQ)
Can I use any runner as a replacement for Faktum? No. The fittings must suit the System 32 grid and the length must match the carcase depth. Additionally, the required side installation clearance (usually approx. 13 mm) between the inner cabinet wall and the outer drawer wall must be present.
What is the difference between partial extension and full extension? A partial extension leaves part of the drawer inside the carcase (approx. 25%), making access to the rear area more difficult. A full extension uses a three-part telescopic system, allowing the drawer to pull out completely past the front edge of the carcase.
Can old roller runners simply be replaced with telescopic ball bearing runners? Yes, this is a standard upgrade. It is important that the new telescopic runners are installed perfectly level and that the side clearance matches the dimensions of the old roller runners.
Why does my soft-close drawer not close properly? This frequently happens when the drawer is overloaded and exceeds the runner's weight specification, or if the carcase runners were not mounted completely parallel. The furniture damper requires a straight approach to absorb the closing force correctly.