How to Sew an Invisible Zipper | Sewing Invisible Zippers Free Tutorial

Hello! Stephanie from Stephie B’s Designs here again today to share a great how to sew an invisible zipper! Sewing zippers is intimidating enough as is, but an invisible zipper?! I know what you’re thinking. but together we’ll tackle this. 🙂

This tutorial also comes just in time for the release of Peek-a-Boo Pattern Shop’s brand new dress, the Ruby Party Dress. It is sooooo beautiful! It’s available from size 3m-12 years, can be made using several options to achieve a ton of looks, and like all PAB patterns, has easy step-by-step instructions to walk you through till the end. Although it was released during the Holiday season (and you can make amazing formal party dresses with it!), it can be used to make lovely year round. In fact, today I’m sewing a sweet little Spring dress for one of the twins I’ll be having in a few months, just in time for her arrival.

Before we start, I highly recommend you check out this Peek-a-Boo Pattern Shop blog post called Zippers 101 for more information on types and when to use them. Its a great breakdown of the who, what, when, where, and why. More specifically, the Zippers 101 tutorial will give you an idea of different types of zippers and how to sew zippers with a zipper foot on your sewing machine. 

Ok! Time to dive in on what an invisible zipper is and the process to sewing an invisible zipper!

How to Sew an Invisible Zipper

What is an Invisible Zipper?

An invisible zipper is a zipper that is hidden or blended into the seam of the clothing. The main difference between an invisible zipper and other zippers is visibility. The teeth on an invisible zipper and small and narrow and hidden within the zipper. A regular zipper has teeth showing while an invisible zipper only has the small and narrow zipper pull showing at the top. Here’s a picture of some Invisible Zippers from Amazon

Invisible zippers are used on the backs of dresses, skirts, decor (like pillows) and pants.

Supplies to Sew the Zipper 

  • Invisible Zipper
  • Something to Hold it in Place (Pins, Washable Glue, Washable Tape, Etc.)
  • Sewing Machine Zipper Foot
  • Fabric, Sewing Pattern, Etc. 

Sewing an Invisible Zipper Step 1: Prepare the Zipper and Garment

Alright, now we have the basics down of what an invisible zipper is and what supplies you’ll need to start sewing an invisible zipper. Now lets get into the steps you need to take when sewing an invisible zipper into clothing. 

After removing the invisible zipper from the package, prepare the zipper for installation by pressing it from the wrong side so it lays flat. I always use high heat (the cotton setting) and have never had an issue with the zipper teeth melting, but stick with what will make you comfortable.

The zipper teeth naturally curl over to the wrong side of the invisible zipper, but you want to make sure they are on the right side when you install them. Pressing the zipper flat will also help you sew as close to the teeth as possible, especially since we’re not using an invisible zipper foot in this tutorial. For more information on sewing invisible zippers using an invisible zipper foot take a look at the section at the bottom of this article. 

In the image below, you can see the difference between the pressed and not pressed sides of the zipper tape. This is looking at the invisible zipper face down (wrong side up).

If your garment is not fully lined, I recommend sewing the edges of the exposed raw edges with a serger, zig-zag stitch, or pinking shears before you install the invisible zipper.

For the Ruby, because the bodice is lined, I chose not to finish the raw edges of the bodice, however I did finish the skirt with a serger as seen in the picture below.

How to Sew an Invisible Zipper Step 2: Lay out the Zipper

Unzip and lay one side of the invisible zipper tape face down on the right (as in right/wrong) side of your garment. If the pattern calls for a specific seam allowance, use a ruler or seam gauge to make sure it’s in the correct position. Use pins, washable glue, or washable tape to hold the invisible zipper in place as you are sewing. I used washable glue.

Once you reach the zipper pull, zip it up slightly to ensure the bottom of the zipper is also in line with the raw/finished edge or flush within the seam allowance as you make sure it is pinned/taped/glued in place.

How to Sew an Invisible Zipper Step 3: Sew the Zipper

Attach your regular zipper foot to your sewing machine and change your stitch width to a setting that will land the needle as close to the zipper teeth as possible. In order to swing my needle as far to the left as possible, my setting was 1.5mm for the stitch width (as shown in the picture below).

As you can see below, I started with the left side of the dress, and was able to align the right side of the zipper foot along the right side of the zipper tape, aiding me in keeping a straight line as I was sewing.

Starting at the top of the invisible zipper, sew in place with the foot as close to the teeth as possible, stopping when you near the zipper pull. Start sewing slowly to maintain control of the zipper, and use your fingers to keep the invisible zipper in place and lying flat.

As you’re sewing slowly, make sure you are holding the fabric and zipper tape in place as the foot nears the invisible zipper stop.

After the first side is sewn, zip up your invisible zipper and align the two sides of the garment so they match up perfectly prior to adhering the second zipper side onto it. Make sure your zipper tape is still face down against the right side of the garment and that it hasn’t twisted.

Hint: If your garment has a waist seam or other defining seam or feature, mark its placement on the unsewn side of the zipper tape and adhere the zipper tape to the garment up and down from that point. You may have to pull and tug to align everything, but alignment is critical. As you can see below, I marked the waist and top of the band on my Ruby.

Once you have proper alignment on the second side of your garment, adjust your zipper foot and width to line up with the other side of the zipper tape. For this side, I used a 6.0mm stitch width to move it as far to the right as possible.

Note: Some sewing machines cannot offset the needle to both sides – meaning you can’t set it very far to the left or very far to the right, which is necessary for this zipper installation –  so you may not be able to move your needle into place along the second side. If that’s the case, start sewing at the bottom of the invisible zipper and sew up.

My sewing machine does allow me to set the needle with very wide margins on either side, so I was able to get close to the zipper teeth while sewing from the top down.

After sewing, zip up the zipper to ensure both sides are aligned and working properly. If not – use a seam ripper and try sewing that invisible zipper again!

Once both sides of the invisible zipper are right where you want them, do a happy dance, then sandwich the remaining (bottom) portion of the zipper tape within the seam allowance and pin in place before sewing.

Start sewing 1/4”-1/2” above the zipper stop and overlapping your previous stitches, stitch down the remainder of the seam. Try not to catch the bottom portion of the zipper tape or it will not lay flat after pressing.

Press the seam open…

And sew the remaining portion of bottom to each side of the seam allowance.

Does it need to look pretty? Not at all! 🙂

Last but not least, finish sewing your garment according to the pattern instructions and admire your work.

How to Sew an Invisible Zipper

All done!!!!! Now you know all the basics on sewing an invisible zipper. Sewing invisible zippers help you make professional looking clothing without a zipper sticking outside the back side. Thank you for joining us for this sewing project today!

Make Sewing the Zipper Even Easier with an Invisible Zipper Foot

In the tutorial above Stephanie used a regular zipper foot when sewing the invisible zipper in the Ruby Party Dress. I should also point out, as she noted above, that many sewing machines come with an invisible zipper foot – or you can buy a invisible zipper foot like THIS that fits a number of different sewing machines and makes sewing even easier. 

An invisible zipper foot has a small hole in the center and two parallel and grooves on the underside of the foot. The zipper teeth go into the grooves of the foot as you sew and it allows the sewing needle to get as close as possible to the zipper to sew it in place. The invisible zipper foot can be a faster method when sewing an invisible zipper while getting professional looking results. These feet for sewing an invisible zipper are inexpensive, easy to use, and make adding an invisible zipper to clothing even easier. For further info on sewing with an invisible zipper foot take a look at this Youtube Video

We really appreciate Stephanie’s tutorial on sewing invisible zippers. We also have a number of other tutorials on adding zippers to clothing and accessories. Take a look at some of these tutorials: 

As always, come share your sewing projects, get help, and see our latest pattern releases in the Peek-a-Boo Pattern Shop Facebook Group. In our group we have thousands of seasoned seamstresses that are willing and ready to help you with their sewing knowledge. Come take advantage of it today. 

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