After your fabric piece has cooled, check the bond by trying to peel the layers apart. If the bond
doesn’t feel secure, try another application using more heat, time, or pressure. Also, make sure the
adhesive hasn’t seeped through to the right of your fabric. And make sure the interfacing has
produced the degree of stiffness you want.

After testing, cut your interfacing pieces out. Your pattern should indicate which pieces to cut
interfacing from. Then trim the seam allowances to about an eighth of an inch to reduce bulk.


How to apply fusible interfacing
                                                                                   

Tools needed:
  • Iron
  • Ironing board
  • Press cloth
  • Spray bottle

In order to form a proper bond with your fabric, fusible interfacing needs four things: heat, steam,
pressure, and time.

For lightweight fabric and interfacing, set your iron temperature a little higher than what’s
appropriate for the fabric – your press cloth will protect it from the extra heat. For medium to
heavyweight fabric and interfacing, set your iron to “wool.” Let your iron heat up for about 15
minutes to make sure it’s nice and hot.

Place your fabric piece on your ironing board wrong side up. Center your interfacing on top of it,
adhesive side down (the adhesive side has the raised bumps on it). If you didn’t preshrink your
interfacing prior to cutting it out, steam shrink it now by placing your iron over the interfacing piece
(but not touching it) and steaming it for a few seconds.

Steam-baste the interfacing in place by touching it in several places with the tip of your iron. This will
bond the interfacing lightly to your fabric so it won’t shift during the fusing process.

Dampen your press cloth using your spray bottle – making it evenly damp, but not soaking wet. Place
your press cloth on top of the interfacing.

Place your iron straight down onto one section of your fabric piece and apply firm, even pressure. You
may want to use both hands. Do not slide your iron.

For lightweight fabric and interfacing, press and hold for about 10 seconds. For medium to
heavyweight fabric and interfacing, press and hold for 10 to 15 seconds.

After the time has elapsed, lift your iron. Your press cloth should be dry. If it’s not, raise your iron
temperature or leave your iron on your fabric piece a few seconds longer. Then place your iron
straight down onto the next section to be fused, overlapping some onto the first section. Press and
hold for the appropriate time. Lift your iron and repeat this process until your entire piece has been
pressed. Then turn your piece over and iron it on the right side.

Leave your fabric piece in place until it has cooled completely. Moving the piece while it’s still warm
can interfere with the bonding process.






More Tips
                                                                                   

If you don’t have enough interfacing for a large piece, you can make a whole piece by joining several
smaller pieces together. You can slightly overlap the edges of lighter pieces of interfacing, but with
heavier interfacing, butt the pieces together.

If you’re finding it difficult to press down on your fabric piece, try lowering your ironing board. Your
body weight will help you exert more pressure with your iron.



Fusible interfacing isn’t appropriate for all fabrics.
Non-fusible interfacing is a better choice for highly
textured fabrics, napped fabrics, fabrics that can’t take the heat of an iron, and open weave fabrics.
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How to Apply Fusible Interfacing to Fabric*
More Helpful Articles!

You might also be interested in:

How to Remove Fusible Interfacing

Interfacing Basics
When applying fusible interfacing, it’s best to
follow the manufacturer’s instructions.

But sometimes the instructions are missing.
Perhaps they got lost, accidentally thrown
out, or maybe we never received them in the
first place.

So here are some general guidelines that
should work for most fusible interfacings:


First, test your interfacing
                                                                

Apply the interfacing to a scrap of your fabric
following the "How to apply fusible
interfacing" instructions below.
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