How to Sew Stretchy Fabric Without Falling Into Despair

Sewing stretchy fabrics like jersey, spandex, and knits can frustrate even experienced sewers. The fabric seems to have a mind of its own, slipping and sliding around while you try to cut and sew it. Pins falling out, seams puckering, hems popping – it’s enough to make you tear your hair out! But never fear – with the right tools, techniques, and a dose of perseverance, you can make beautiful garments with stretch fabrics. This guide will walk you through all the key tips for stretch sewing success. Please take a deep breath and let’s do this!

Common Challenges with Stretchy Fabrics

Stretch fabrics can be challenging to control and manipulate when sewing. Here are some of the most common headaches:

  • Puckered seams – Stretch fabric feeds through the machine unevenly, leaving gathered, wavy seams.
  • Drooping shoulders – The weight and stretch of the fabric can cause necklines and armholes to sag.
  • Shifting layers – The slippery fabric moves around while cutting and sewing.
  • Popped seams – Seams rip open from the stress of the stretchy knit.

The good news is most of these issues can be fixed with the right tools and techniques!

Goal – Keep Calm and Carry On Sewing

Working with slippery stretch fabrics tests the patience of even veteran sewists. When the fabric fights you at every turn, it’s easy to get frustrated. But take a deep breath and remember – you’ve got this! Follow these guidelines and your stretchy makes will be wearable works of art in no time. Onward!

Choosing the Right Needles and Thread

Starting with the correct sewing machine needles and thread for stretch fabrics makes a difference. This specialized gear helps feed the fabric smoothly and reinforces seams.

Needles for Sewing Stretch Fabrics

You’ll need a specialty needle made for knits and stretch wovens. These come in 2 varieties:

Ballpoint Needles

The rounded tips slide between the knit fibers rather than piercing them, preventing runs in the fabric. Use ballpoint needles for most stretch fabrics.

Stretch Needles

These have a special scarf to prevent skipped stitches in super-stretchy fabrics. Try them on spandex, swimwear, or ultra-stretchy knits.

Thread Recommendations

Polyester thread has just the right amount of give for sewing stretchy fabrics. It allows the seam to stretch without breaking. For heavy stretch fabrics like fleece, use a thick polyester thread.

Tips for Cutting and Marking

Prep your fabric properly for a smooth sewing experience.

Cut Stretch Fabrics on the Bias

Cutting on the cross-grain, or bias, gives the most stretch and prevents runs. Lay out your pattern piece and pin it in place.

Use Fabric Markers

Friction pens or tailor’s chalk won’t leave permanent marks on delicate knits. Clip curved edges to allow the fabric to spread.

Key Sewing Tips

Follow these guidelines when stitching for professional, pucker-free results:

Lengthen the Stitch Length

Longer stitches, around 3 mm, let the fabric move freely under the presser foot while preventing dense, puckered seams.

Use a Lightning Bolt Stitch

Also called a zigzag stitch, the side-to-side motion allows the thread to stretch with the fabric. Use a narrow width so the seam lies flat.

Press Seams Open

Pressing the seam allowance open maintains stretch and prevents bulk. Be gentle to avoid imprinting the iron texture onto the fabric.

Apply Fusible Interfacing

Interfacing stabilizes stretchy fabrics and supports edges like necklines. Apply lightweight fusible interfacing to the wrong side before sewing.

Go Slow!

Take your time and guide the fabric through the machine to ensure straight seams. Rushing leads to wobbles and tucks.

Hemming Stretch Fabrics

Hems that stretch with the garment help maintain shape. Here are 3 options:

Baby Hem

Fold under 1/4″ then 1/2″ for a narrow doubled hem. Great for lightweight jerseys and interlock knits.

Lettuce Edging

Using a zigzag stitch, sew close to the raw edge. Stretch the hem while sewing, and it will ruffle up like lettuce!

Blind Hem

This nearly invisible hem fold catches just one or two threads of the knit fabric. Takes practice, but lies flat and flexible.

Keep Your Cool!

Sewing with stretch fabric takes patience, but the results are so worth it. Allow extra time for projects, keep seam ripping to a minimum, and walk away if frustration sets in. Breathe, focus, and happy sewing!

Frequently Asked Questions

1. How can I keep curved knit edges from stretching out as I sew?

Use short clips to grip the fabric edge every 2-3 inches. Remove them once that section is sewn.

2. My neckbands are always too tight even when cut on the bias. Help!

Interface the neckline to add stability and prevent stretching as you attach the band.

3. My serger keeps chewing holes in my knits! What am I doing wrong? Check your tension and rethread. Knits require balanced tension to prevent this shredding.

4. Can I use my regular machine needles for stretch fabrics?

It’s best to switch to the specialty needles which are designed for knit fabrics rather than piercing woven fabrics.

5. Do I need a walking foot for sewing knits and stretch fabrics?

A walking foot isn’t mandatory but can be helpful feeding thicker fabrics smoothly. Test without first.

Disclosure This review contains affiliate links and we may receive a commission for purchases made. Please read our affiliates FAQ page to find out more.

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