Knock the loose joint free with a hammer or mallet.
Step 1 of 7
2. SAND IT SMOOTH
Remove any old glue from both surfaces of the joint with a utility knife. Use sandpaper or steel wool to smooth out the joint as much as possible. Or, a rotary tool with a sanding attachment makes short work of this step.
Step 2 of 7
3. GLUE IT
Spread wood glue on the surfaces of the joint. It’s better to use too much than too little. You can wipe away the excess with a wet rag.
Step 3 of 7
4. SCREW IT
Drill a pocket screw into the chair parts at an angle for extra reinforcement. A pocket-hole jig can guide the screw in at the correct angle.
Step 4 of 7
5. CLAMP IT
Clamp the joint. Tighten the clamp until the glue oozes out and wipe away the excess.
Step 5 of 7
6. LET IT DRY
Let the glue dry under pressure for 24 hours.
Step 6 of 7
7. HELPFUL TIP
Wobbly spindles on your stairway can be fixed the same way as the spindles on your chair back.