How to Fix a Wobbly Chair

A wobbly chair is not just annoying — it's a safety hazard. Fortunately, most wobbly chairs are caused by loose joints, and regluing them is a straightforward DIY repair that takes less than an hour of active work (plus drying time). Here's how to fix a wobbly chair properly and make it last.

What You'll Need

• Wood glue: Titebond II Premium Wood Glue
• Clamps: WORKPRO Bar Clamps Set, 6-Pack
• Dowel pins: ALBO Wooden Dowel Pins, 1/4 x 1-1/4", 200-Pack
• Rubber mallet: YIYITOOLS Rubber Mallet, 24 oz
• Furniture levelers + felt pads: X-PROTECTOR Felt Furniture Pads, 181-Piece
• Screwdriver set: CRAFTSMAN Screwdriver Set, 8-Piece
• Power drill: BLACK+DECKER 12V Drill & Home Tool Kit

Step 1: Diagnose the Wobble

Sit in the chair and rock it gently. Try to identify which joint is loose — is it a leg rung (the horizontal stretcher between legs), a leg-to-seat joint, or a back post? Flip the chair upside down and try to wiggle each joint individually. The loose ones will move noticeably.

Fix 1: Inject Glue into Slightly Loose Joints

For joints that are slightly loose but haven't fully separated, use a syringe or toothpick to work Titebond wood glue into the gap. Wiggle the joint to help the glue penetrate, then clamp firmly and wipe away excess. Let cure 24 hours. This works well for early-stage looseness before the joint fully fails.

Fix 2: Disassemble and Reglue

For joints that are significantly loose, disassemble the chair at the loose joints. Use a rubber mallet to tap joints apart — never force them or you risk splitting the wood. Clean all old dried glue from both the tenon and the mortise with sandpaper — this step is critical. Apply fresh Titebond wood glue to both surfaces, reassemble, and clamp. Let cure fully before use.

Fix 3: Reinforce with Dowels

For rungs and joints that have failed repeatedly, add a dowel pin for mechanical reinforcement. Drill a hole through the joint (through the leg and into the rung end), coat a dowel in wood glue, and tap it in with the rubber mallet. This creates a pin joint that won't loosen again.

Fix 4: Build Up a Shrunken Tenon

Wood shrinks over time, and a tenon that once fit snugly may now be too small for its mortise. Rather than replacing the rung, wrap the tenon with a thin strip of wood veneer coated in glue to build up its diameter. Let dry, then reinsert with fresh glue. The fit will be snug and the joint will hold.

Fix 5: Level the Legs

If the chair wobbles because one leg is shorter (from wear or uneven floors), add self-adhesive felt pads to the short leg to build up its height. Stack multiple pads as needed. This is the quickest fix for a wobble caused by leg length discrepancy rather than loose joints.

Pro Tips

• Reglue all loose joints at the same time — don't just fix the worst one and leave the others.
• Always remove old glue completely before regluing — glue won't bond to old glue.
• Clamp the chair square after regluing — measure diagonals to ensure it's not twisted.
• Add felt pads to all leg bottoms after repair to protect floors and reduce future joint stress.
• Avoid dragging chairs — always lift to move, as dragging stresses the leg joints.