How to Repair Sticking or Broken Furniture Drawers

A sticking or broken drawer can quickly turn a functional piece of furniture into a daily annoyance. Over years of use, heavy contents, settling timber, and worn-out moving parts take their toll on cabinetry. Fortunately, most issues stem from a few common mechanical failures that you can resolve with standard tools and basic hardware replacements. This guide walks you through diagnosing the root cause and completing a successful drawer repair to get your units gliding smoothly once more.

Diagnosing Common Drawer Faults

Before buying replacement parts or taking a cabinet apart, identify precisely what is preventing the drawer from operating correctly. Most drawer problems fall into three main categories:

• Friction and sticking: Often caused by warped timber runners, dirt build-up in roller mechanisms, or loose carcass screws rubbing against the drawer box.
• Sagging bases: Thin hardboard or plywood bases tend to bow downwards under heavy loads, pulling out of the side grooves and catching on the drawer divider below.
• Misalignment and drop: When mounting fixings loosen over time, the entire drawer box sits crooked, causing the front panel to strike the surrounding cabinet frame.

Fixing Sagging Drawer Bottoms

A bowing drawer base is one of the most frequent cabinet failures, particularly in bedroom chests and kitchen pan drawers. If the base has popped out of its routed groove, simply pushing it back up will not provide a permanent fix.

To repair drawer bottoms properly, remove the drawer and turn it upside down. Ensure the base panel is seated correctly within all perimeter slots. You can reinforce the underside using small corner brackets or specialised plastic drawer repair brackets screwed into both the base and the timber sides. For long-term strength, adding a central timber support batten running front-to-back under the board prevents the thin base from flexing downward under load.

Replacing Worn or Sticking Drawer Runners

When the box itself is sound but the sliding action remains rough, the runners are usually worn beyond simple lubrication. Upgrading old nylon roller slides or worn wooden runners to modern metal fittings is often the best long-term solution.

Step-by-Step Runner Replacement

1. Remove the existing slides: Take the drawer box completely out of the unit. Unscrew the cabinet members from the carcass walls and the drawer members from the sides of the box.
2. Measure the depth: Measure the internal depth of your cabinet carcass and the external depth of your drawer box. Standard runner lengths typically range from 250 mm to 600 mm in 50 mm increments. Choose a length that maximises extension without fouling the back panel.
3. Check side clearance: Standard side-mounted ball-bearing slides require exactly 12.7 mm (1/2 inch) of clearance on each side between the drawer box and the carcass wall. Ensure your cabinet matches these dimensions before fitting.
4. Mount the new hardware: Fix the carcass components perfectly level, aligning with the standard 32 mm system drilling holes if present. Fasten the drawer components squarely to the box using appropriate wood screws, then clip the unit into place and test the travel.

Rebuilding Loose Drawer Box Joints

Modern drawer boxes are typically assembled using dowels, cam locks, or dovetail joints. Repeated pulling forces can loosen these corners, creating a diamond-shaped distortion that jams within the carcass. To fix this, disassemble the failing joint, scrape away dried adhesive, and apply fresh wood glue. Clamp the box firmly, checking diagonally across both corners with a tape measure to ensure the frame is perfectly square while the glue cures.

Frequently Asked Questions

What type of runner should I choose for an upgrade?

For standard utility drawers, full-extension ball-bearing slides offer robust support and allow complete access to the back of the drawer. If you prefer a quieter closing action, soft-close roller slides or concealed undermount runners provide smooth, controlled damping.

Why does my drawer still stick after fitting new runners?

Sticking after a hardware refit is almost always caused by a lack of parallel alignment. Check that the distance between the runners at the front of the cabinet matches the distance at the very back, down to the millimetre. Even a slight taper can cause the slide bearings to bind.