Originally Posted by
quiltingshorttimer
I'd probably wash if it's not a tight weave. Some Roc-Lon is tighter though. Keep in mind that on a 90" sq. quilt, 2% is almost 2" shrinkage.
Good points. It's a tight weave, but ... I think where I'm a bit at a loss is that I don't know how much most quilting cottons shrink vs muslin shrinkage. If there's a big difference between the two, I can see it being a lot more problematic.