How to Sew French Seams

How to Sew French Seams

Hi Itch to Stitch Readers!

Last week we talked about how to sew bias bound seams in just three easy steps.

This week, I’d like to show you another seam finish you’re going to love using in your garments: French Seams. French Seams work by “trapping” the raw edges of your seam in another seam. This was the very first seam finished I learnt how to do, so I promise it’s easy enough that even a beginner could tackle this technique.

How to Sew French Seams

But first, why is it so important to finish your seams?

After you sew a normal seam, there will be some raw fabric edges left exposed. These raw edges not only look a little unprofessional, they can seriously impact the durability of your garment by fraying and causing holes in your seams.

If you’re going to spend the time to carefully make your clothing, you want them to last, don’t you?

I know I sure do.

This is why finishing your seam allowances is so incredibly important in creating a long-lasting and professional-quality handmade wardrobe. It only takes a few extra steps, but will make a BIG difference in your sewing projects.

One of my favourite ways to finish my seams is by using french seams. They’re great for lightweight fabrics like chiffon or organza because they’re lightweight while still being extremely effective.

Here’s how you can add a french seam to your next garment.

How to Sew French Seams

Step 1: Consider the Seam Allowances

To make a proper french seam, you’ll want to be using a seam allowance of at least 5/8” or 1.6 cm, which is a standard seam allowance on many paper patterns for woven. If your pattern doesn’t have that much seam allowance, simply re-trace your pattern piece and add a little more before cutting out the fabric.

This tutorial will show you how to make french seams on a seam allowance of 5/8” (1.6 cm), but this technique could be applied to larger seam allowances if you’d prefer.

How to Sew French Seams

Step 2: With WRONG sides together, sew a seam at  3/8” (1 cm)

This is counterintuitive, because usually when sewing we keep our right sides together, but with french seams, we do the opposite. So, sew your seam with the good side of your fabric facing you.

How to Sew French Seams

Step 3: Trim your allowance to a scant 1/8” (0.3 cm)

Trimming your seam allowance will allow us to “trap” these raw edges in another seam later on. You’ll want to make sure you’re cutting carefully here, cutting close to the seam line without accidentally cutting through it.

How to Sew French Seams

Step 4: Press to the side.

Press this tiny seam allowance to the side in preparation for step 5. The sharper the press, the better.

How to Sew French Seams

Step 5: With RIGHT sides together, sew a seam at 1/4” (0.6 cm)

Sewing this seam will capture all the raw edges from the seam sewn in step 2, giving you a perfectly finished seam on your garment.

How to Sew French Seams

All that’s left to do now is give your garment a press and admire how pretty your seam looks on the inside and out!

How to Sew French Seams

How to Sew French Seams

I think this versatile seam finish will come in handy in some of your future sewing projects, I know it’s definitely one of my favourite ways to deal with raw edges.

How do you like to finish your seams? Let us know if there’s any technique you’ve been wanting to try down below and we can showcase it in a tutorial!

Rachel Felix Author Bio

About the Author: Hi! I’m Rachel, a fashion-obsessed maker from Canada. My goal here is to inspire you to sew creatively and try new things. You can usually find me drinking cold coffee while hanging out with my cat, or blogging my creations on The Wild Stitch.

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