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How-to

Pulling Teeth: Tips to Shorten Zippers

Dec 30, 2010
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Editor’s note: Jacque Goldsmith is known as “The Sewsmith” in the sewing world and to her students. Jacque has a wide experience in sewing instruction, ready-to-wear design, and creating custom clothing. In Threads #153, she shares her expertise in “Zipper Fixes,” a primer on repairing these tricky closures. Here’s some additional how-to information from Jacque – how she shortens replacement zippers.

Factories order zippers in huge quantities and specific lengths for each garment they manufacture. For home sewers, zippers are only made in a limited size range. There may not be a zipper available in the same size as the one that needs to be replaced.

zippersMore on zippers:
• 8 Zipper Installation Techniques
• How to Replace a Broken Zipper
• How to Sew an Exposed Zipper
• Move a Zipper’s Location

You should always buy a replacement zipper longer than you need and shorten it. Closed bottom and separating zippers are shortened from the top. Invisible zippers are shortened from the bottom.

Shorten a closed bottom or separating zipper

1. Mark the desired length of the zipper on the tape. Measure from the bottom stop.

2. Remove the teeth for 1 inch above the mark. The tools and method will depend on the zipper type:

  • For metal zippers, use the nippers to and cut and or pull each tooth.

  • For plastic zipper teeth, use the nippers horizontally to cut off the “head” of the tooth.

Then snip the remaining plastic from the zipper tape.

  • For coil zippers, use small scissors to trim the coil parallel to the tape.

Then use the scissor tip or an awl to remove the loops from the zipper tape.

3. After removing the teeth by any method, add new top stops with needle nose pliers. (If you want to match the color on your top stop, you can use nail polish or model paint before you attach it.) Use a soft cloth to cover the pliers’ teeth and protect the stop’s finish.

Trim an invisible zipper

An invisible zipper is designed to have the zipper pull sit on the top stop when the zipper is fully closed. The top stops are molded into the zipper and cannot be replaced, so these closures must be shortened from the bottom.

1. Measure the zipper’s length. From the teeth top, mark it 2 inches longer than the zipper opening it must fit.

2. Cut off the excess (I use paper-cutting scissors).

Then you need to secure the bottom teeth, and there are several ways to do so:

  • Melt the teeth with a lighter or hot knife
  • Wrap the bottom edge with a scrap of lining. (I call this the zipper diaper. It is used on high-end ready-to-wear skirts).
  • Bar-tack across the bottom using a wide zigzag stitch.

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  1. user-5851661 October 19th

    Great info until the end....there's no explanation of actually HOW to complete the top. Where do you get those top "stops"? I've never seen them for sale anywhere, so have always shortened all zippers from the bottom. Are they available on line anywhere?

  2. User avater smcm January 12th

    The article on zippers came just at the right time for me. I needed to replace the slider. Unfortunately the article did not have any source addresses for replacement parts. After searching the internet I found a great site that I would like to recommend www.stanssewingsupplies.com. It has tons of information on the site and a fantastic stock of zippers, top and bottom stops, and a variety of sliders in many colors and sizes, not to mention zippers galore.
    I ordered my slider and it arrived in a flash. I also had questions on which size I should order and how to measure for the slider . They were very helpful. I have no affiliation with this store, just a happy customer with a mended fleece jacket.

  3. User avater TheSeamstress December 31st

    Wawak.com is where I get all my zipper supplies. They have zipper top stoppers too! I hope this helps.

  4. lheck7 December 31st

    Hi,
    Can't begin to thank you enough for putting this informational blog out there for us sewers.
    I sure hope they do bring back sewing and cooking to the schools. These kids one day will need to know how to sew, even if it's just to put on a buttton, or sew up a small seam. We all wear clothes, and they don't always hold together like they should. Just the basics starts off the fasination, or at least it did for me, then I took addtional classes on my own. Isn't that the way lots of us got into computing, then it became a necessary thing in our life. Where would we be today without our computers, and every house hold has one. Well so should every home have a simple sewing machine. As for cooking, well we sure don't need to eating out every day, look what it did to a whole lot of people, and the medical issues it caused for so many. We sure do find so many more people cooking at home these days, for one reason or another.So we need to teach these children about cooking and nutition.
    I've combine my enjoyment in both, having the computerized embroidery machine, but it all started with knowing the how to sew, and then getting into the computers, and then seeing what both could do together.
    Well these are just my thoughts.
    lheck7

  5. User avater Jen_NYC December 30th

    I have shredded more than one metal tooth zipper when trying to pull the teeth out. So, I'm a little hesitant to shorten them from the top (where it will show). I wonder if there is some trick that I am missing. Or maybe I'm just naturally bad at it! Also, in the even that a zipper can be shortened from the top without too much mutilation, is there some place (online or elsewhere) to buy the top stops? I've never seen them... Thanks!

  6. User avater smcfarland December 30th

    Dear kkkkaty, I'm sorry there's not an accompanying photo for this particular step, but step no. 3 in the first section (Shorten a closed-bottom or separating zipper) mentions adding new top stops with needle-nose pliers (and possibly coloring them with nail polish to match the zipper color). Thanks for asking; I want to make sure other readers know about that step too.

  7. User avater kkkkaty December 30th

    Is this all the information needed? Once you have shortened it from the top, do you need a new "stop" there where the zip will rest when the sipper is closed? Seems like most of them have a slightly larger piece of metal or plastic at the top,.....

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