Prewashing flannel
#3
Super Member
Join Date: Jul 2014
Location: Illinois
Posts: 2,140
I pre-wash everything that comes into my house due to contact allergies. Doesn't matter if it's a 2.5" mini charm. I use the soak cycle with cold water (Tap water cold if that's available) and a small amount of detergent. When they're done, I dry them partway on Low Heat in the dryer & iron them the rest of the way dry (or lay flat to dry if it's too late at night when I pull them out of the dryer).
Quality fabric really doesn't shrink or fray that much anymore. If you want to be overly cautious, you can run a zig-zag or overcast stitch along the edges of the pre-cut. I've done that once or twice back when I bought cheapy fabric & it works fine. The other thing I've done if I'm going to be cutting it down further (e.g., for applique) to where I have more than 1/4" extra from the edge is to run a narrow bead of Fray Block or Fray Check along the edge. I wouldn't recommend leaving that on there, but if you have as little as an extra 1/8" (meaning 3/8" total), you can easily trim it off.
Note: if you suspect the end-user is going to be washing the quilt in warm water or a medium dryer, you will need to pre-wash in those same conditions -- and then I would definitely recommend securing the edges with stitching because heat & and agitation will both cause the flannel to shrink and fray more. There's no need to wash in those conditions if the recipient is willing to wash on gentle cycle, cold water, low heat tumble dry, but flannel that was pre-shrunk under those conditions will shrink again if exposed to higher heat and/or more agitation in either washer or dryer.
Quality fabric really doesn't shrink or fray that much anymore. If you want to be overly cautious, you can run a zig-zag or overcast stitch along the edges of the pre-cut. I've done that once or twice back when I bought cheapy fabric & it works fine. The other thing I've done if I'm going to be cutting it down further (e.g., for applique) to where I have more than 1/4" extra from the edge is to run a narrow bead of Fray Block or Fray Check along the edge. I wouldn't recommend leaving that on there, but if you have as little as an extra 1/8" (meaning 3/8" total), you can easily trim it off.
Note: if you suspect the end-user is going to be washing the quilt in warm water or a medium dryer, you will need to pre-wash in those same conditions -- and then I would definitely recommend securing the edges with stitching because heat & and agitation will both cause the flannel to shrink and fray more. There's no need to wash in those conditions if the recipient is willing to wash on gentle cycle, cold water, low heat tumble dry, but flannel that was pre-shrunk under those conditions will shrink again if exposed to higher heat and/or more agitation in either washer or dryer.
#4
The quality statement was made by the woman at the fabric store. I'm gonna see.! I'm finishing a quilt w/ a flannel backing. Although, I do put a lot of quilting in it and I'm using Dream Cotton which doesn't really shrink. I hope i'm not sorry.
#5
Power Poster
Join Date: Mar 2013
Location: Corpus Christi, Tx.
Posts: 16,105
I have had flannel strips and I just first baste a few together to keep them from tangling then throw them into a lingerie bag. I picked a couple really nice lingerie bags that look like pillow cases (you can use these also). I throw them into hot water and a hot dryer to make sure the shrinkage is done.
#8
Super Member
Join Date: Dec 2010
Location: New York City/Manhattan
Posts: 1,316
I seem to be a dissenter--I frequently use flannel as backs and rarely prewash. In more than 20 years, the warranty to replace worn quilts has never been used! I will prewash if it is bargain store quality. When that shrinks it is the weight I want it to be. I believe that the quilting holds it in place or that it shrinks equally with the rest of the quilt. I like to think I'm efficient rather than lazy. 8^)
#9
Senior Member
Join Date: May 2015
Posts: 383
I pre-wash everything that comes into my house due to contact allergies. Doesn't matter if it's a 2.5" mini charm. I use the soak cycle with cold water (Tap water cold if that's available) and a small amount of detergent. When they're done, I dry them partway on Low Heat in the dryer & iron them the rest of the way dry (or lay flat to dry if it's too late at night when I pull them out of the dryer).
Quality fabric really doesn't shrink or fray that much anymore. If you want to be overly cautious, you can run a zig-zag or overcast stitch along the edges of the pre-cut. I've done that once or twice back when I bought cheapy fabric & it works fine. The other thing I've done if I'm going to be cutting it down further (e.g., for applique) to where I have more than 1/4" extra from the edge is to run a narrow bead of Fray Block or Fray Check along the edge. I wouldn't recommend leaving that on there, but if you have as little as an extra 1/8" (meaning 3/8" total), you can easily trim it off.
Note: if you suspect the end-user is going to be washing the quilt in warm water or a medium dryer, you will need to pre-wash in those same conditions -- and then I would definitely recommend securing the edges with stitching because heat & and agitation will both cause the flannel to shrink and fray more. There's no need to wash in those conditions if the recipient is willing to wash on gentle cycle, cold water, low heat tumble dry, but flannel that was pre-shrunk under those conditions will shrink again if exposed to higher heat and/or more agitation in either washer or dryer.
Quality fabric really doesn't shrink or fray that much anymore. If you want to be overly cautious, you can run a zig-zag or overcast stitch along the edges of the pre-cut. I've done that once or twice back when I bought cheapy fabric & it works fine. The other thing I've done if I'm going to be cutting it down further (e.g., for applique) to where I have more than 1/4" extra from the edge is to run a narrow bead of Fray Block or Fray Check along the edge. I wouldn't recommend leaving that on there, but if you have as little as an extra 1/8" (meaning 3/8" total), you can easily trim it off.
Note: if you suspect the end-user is going to be washing the quilt in warm water or a medium dryer, you will need to pre-wash in those same conditions -- and then I would definitely recommend securing the edges with stitching because heat & and agitation will both cause the flannel to shrink and fray more. There's no need to wash in those conditions if the recipient is willing to wash on gentle cycle, cold water, low heat tumble dry, but flannel that was pre-shrunk under those conditions will shrink again if exposed to higher heat and/or more agitation in either washer or dryer.
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