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Forum > Fabrics and more... > Prewashing/Preshrinking interfacing? ( Moderated by CynthiaSue)

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Prewashing/Preshrinking interfacing?
Is it necessary? What's the best way?
Member since 5/5/12
Posts: 93
Skill: Intermediate
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Date: 8/20/12 5:18 PM

So I had a Fabric Mart order arrive at my old address and the girls living there swore it didn't show up -- until today, a week and a half after it was delivered. Long story short, the box sat out in several rain storms, and the fabric inside is in desperate need of a prewash.

I'm not worried about the fabrics themselves, but I ordered several interfacings:

Lightweight, tricot fusible
Medium weight, woven sew-in
A bundle of different colored, different weighted fusibles (2 yard cuts each)

I'd never actually thought about pretreating interfacings before this ... but now that I need to get these clean before using them, I'm really curious ... how does one prewash/preshrink/pretreat interfacing? Do fusibles need special care? Can I dry them, or will they heat up and fuse to the dryer, or something?

Any insight would be AWESOME. Thanks!

Humor, DIY escapades, pop culture, kitsch and creative miscellany from a bipolar bureaucrat with a sewing machine, a bottle of prozac, and an occasionally loose grip on reality -- ... plus, stuff for sale(!) at

PattyE  Friend of PR
Michigan USA
Member since 9/7/10
Posts: 2261
Skill: Intermediate
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Date: 8/20/12 11:27 PM

I use Palmer/Pletsch interfacings and for the medium and up weights you soak it in hot water for 10 minutes, gently squeeze out the water (no wringing), and then just air dry. It drys really fast. Good luck.

Stash: 175 yds. @ 07.26.15

Pam~Off The Cuff~
Pam~Off The Cuff~  Friend of PR
New York USA
Member since 4/18/05
Posts: 130
Skill: Expert/Couture
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In reply to RebeccaMarie <<

Date: 8/21/12 8:03 AM

Some professional interfacings are made in such a way so that they do not any annoying pre-shrinking routine at all. When you buy interfacing the instructions that (should) come with it will tell you if you need to pre-shrink or not.

People write to me often or call with questions about interfacing because they know I develop and manufacture interfacing as my profession. I always tell them to call or email the place they bought it from, if it does not come with any instructions. When a store sells interfacing, they should be able to tell you the fusing times and temperatures for each individual type and weight, if the garment you interface with their product can be washed and at what temperature, and if the interfacing needs any special treatment before you use it.

So I would call or email them and ask...some interfacings can be ruined by immersing them in water. They are a reputable business and should know the details of their products, so I am sure someone there has the answers.


Pamela Erny
and My Store... !

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