Symptoms
- Zipper won't move past a certain point
- Zipper pull comes off in your hand
- Teeth separate again right after zipping
Likely causes
- CommonFabric or thread caught in the zipper teethLoose fabric threads easily jam a zipper slider.
- CommonWorn or bent zipper teethRepeated zipping over time can bend or wear down the teeth so they won't lock.
- PossibleBroken zipper pull/sliderThe slider mechanism itself can crack or come off its track.
What to do
- Examine the stuck area closely for caught fabric or thread and gently pull it free with tweezers.
- Rub a bar of soap, candle wax, or a graphite pencil along the zipper teeth to reduce friction.
- If teeth separate after closing, the slider may be worn; try a replacement zipper slider sized to match.
- For a fully broken zipper, unpick the old one along the seam and sew in a replacement zipper of matching length and color.
- Test the new zipper fully before considering the repair done.
- Avoid overstuffing cushion covers, since excess tension is a common cause of zipper failure.
Tools and parts
- Tweezers
- Sewing kit
- Seam ripper
Replacement zipper sliderSearch: “zipper slider replacement pull”
Upholstery zipper by the yardSearch: “upholstery zipper replacement”
When to call a pro
A tailor or upholsterer can replace a zipper quickly and match thread and stitching if you'd rather not sew it yourself.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.