why would you not be able to use broadcloth in a quilt? that is news to me, since i have quilts from the 60's that my grandma made that are broadcloth; when it's the color or the weight i want i use it...i had never heard such a thing as that rule...but...
there are no rules! there are no quilt police...you can use anything you want to to make a quilt...and people do