What is Insul-Bright?

Is your next project too hot to handle or too cold to hold? You need Insul-Bright!

Insul-Bright is an insulated wadding that keeps hot things hot and cold things cold. It is made from metalised polyester film, with Polyester fibres needled through it. The polyester film reflects energy, hot or cold. The needled material is breathable and the fibres help resist conduction. You can use it for a variety of simple yet practical projects for the family and the home.

How to use Insul-Bright

  • To iron, sandwich Insul-Bright between cotton fabrics and use a low heat setting
  • It can be washed up to 40 degrees and can be tumble dried up to medium heat
  • The metal film will dull needles, we recommend using a medium weight needle 90/14

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Does Insul-Bright Have A Right And Wrong Side?

No, you can use Insul-Bright either way up, it doesn’t have a right or a wrong side. Perfect for beginners, one less thing to worry about!

Is Insul-Bright Heat Proof?

No, Insul-Bright is heat resistant but not heat proof. It is also recommended not to be used in the microwave.

Can Insul-Bright Be Washed?

Yes, Insul-Bright will not shrink or shift when washed. It is breathable and won’t break down with washing.

What can we make with Insul-Bright?

We have had SO many ideas on what to make with this, including:

  • Tea Cosies (you can check out our tutorial here!)
  • Pot Holders
  • Oven Mitts
  • Lunch Boxes
  • Casserole Dish Covers
  • Table Mats
  • Ironing Board Covers
  • Pet/Baby Toys (as the film crinkles when moved!)

We’d love to see what you make with Insul-Bright over on the Plush Club on Facebook!

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Where can I buy Insul-Bright? 

Here at Plush Addict sewing superstore, we sell Insul-Bright by the metre. We have two width available, 22” and 45”, suitable for all kinds of projects.

You can grab a cheeky 10% discount on your next Insul-Bright purchase with WARMORCOLD10. One time use per customer.

We hope you loved this blog and maybe learned something new? Leave a comment below, we’d love to hear from you! 

4 thoughts on “What is Insul-Bright?”

  1. I love Insul-Bright! I generally use it with a layer of natural (not synthetic) wadding as on it’s own it tends to be a little ‘skinny’. Additional wadding can also absorb moisture and this also helps to avoid heat transfer when using for things like pot mitts.
    Because Insul-Bright is stable and doesn’t break down in the wash, it doesn’t need quilting as closely as regular wadding. I often quilt lightly without the Insul-Bright (particularly if I’m using traditional patchwork or Foundation Paper Piecing) and then add some additional quilting when I am putting the item together. You can see an example of it as a trivet/pot pad here in the 4th picture: https://www.instagram.com/p/BxKBc8snMo-/

  2. Hi, I have been trying to access your tutorial on tea cosies, but it doesn’t seem as if it’s there ??

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