HOW TO SEW AN INVISIBLE ZIPPER (WITH A REGULAR ZIPPER FOOT)


I absolutely love invisible zippers. I love putting them in, zipping them up and admiring them in the mirror. They are my fave. However, I know they can be intimidating, and most sewing machines don’t come with an invisible zipper foot.
I survived for many years without one, and I only purchased one last weekend. But it’s entirely possible to sew a great invisible zipper application WITHOUT having a special foot. All you need is a regular zipper foot.

Ready to go?

First, finish the edges where the invisible zipper will be applied. This is likely a center-back seam or side seam. They need to be finished separately; don’t sew them together before finishing. 

Next, I like to iron the zipper teeth away from the zipper tape so I can get in there really deep with my needle. This is optional, but I think it helps me get a much better finished product. And if you’re worried about melting your zipper: don’t. I use my Oliso on the highest steam/heat setting and have never melted a zipper. Just don’t leave it sitting on there for long.

Note: You can easily shorten an invisible zipper by sewing a few zig-zag stitches back and forth where you’d like to shorten it. Just cut off the rest above 1/2″ beyond your stitching. If you find yourself at the fabric store without your pattern (or in the NYC/LA Fashion District staring at a wall of $1 invisible zippers), err on the long side. You can always shorten later!

Instead of pin basting, I like to use Wonder Tape to temporarily adhere to the zipper to the fabric. Just put a strip of it along the RIGHT side of one side of the garment where you are applying the zipper. Measure with a seam gauge or ruler to be sure it’s positioned at the seam allowance. I’ve used a 1/2″ seam allowance here.

With the zipper facing down and open, adhere it to the right side of one side of the spot where the zipper is being applied. At some point, you will need to move the zipper pull up to make sure the entire zipper tape is flush with your seam allowance. Measure again to be sure the zipper teeth are exactly the seam allowance distance away from the serged/finished edge.

Now, you’ll attach your regular zipper foot to your sewing machine.

Change your stitch to one that is set to the side, like this:

Starting at the top of the zipper, lower the needle and presser foot so that the needle is as close to the zipper teeth as possible. You really want to get it as deep in there as you can without sewing over the zipper teeth! Here are three angles to show you how close you want it should be:

VERY slowly and carefully sew as close to the teeth as you can. Your fingers will probably be dangerously close to the needle, so take special caution! When you get close to the zipper pull, stop, raise the presser foot, and pull the zipper pull out of the way. This can be easier said than done since the needle is SO close to the zipper teeth; in that case, simply raise the needle AND the presser foot, move the zipper pull, and start again with a couple backstitches to be sure there’s no space between your ending and starting stitches.

Once you’re done with that side, check your work by pressing the fabric away from the zipper. You’ll notice below that I wasn’t quite close enough to the zipper tape at the very bottom of this application. This is an easy fix; you can simply go back over the stitching and try to get a little closer.

Next, adhere the other side of the zipper to the remaining side of the garment as you did before.

If your sewing machine will only offset the needle to one side, you will now start at the bottom of the zipper to sew the other side. If you can change the needle to the other side of the presser foot, you can start at the top like you did for the first side. Here, I’ve started at the bottom. Using the Wonder Tape makes this acceptable whereas pins aren’t as accurate and could cause you to have an uneven zipper.

Once you’ve sewn both sides of the zipper to the two sides of the garment, pin the remainder of the back or side seam together with right sides together. Hopefully your stitching will look neater than mine! Murphy’s Law dictates that even though I have done these many, many times, the ONE time I photograph it for the blog, it will look like a hot mess!

Starting about 1/2″ above the zipper stop and right on (or a hair outside – away from the serged/finished edge) the existing stitch line, sew a few backstitches to reinforce, and stitch down the remainder of the seam. It really is that simple!

Press the seam open…

And you’re done!

That wasn’t so bad, was it?

Even though I’ve been sewing invisible zippers like this for a while with success, I’m anxious to try my new invisible zipper foot. I’ll report back when I see if it makes a huge difference!

How about you? Do you use an invisible zipper foot or a regular zipper foot for invisible zippers? Do zipper scare the **** out of you like they once scared me? 

Invisible Zipper Presser Foot (2-Piece)

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