I would do a few test pieces to make sure it works. I haven't used that paper for piecing but I have used it for the intended purpose of protecting things from paint. It resists water well and does not tear easily so you might find that removing the paper from your fabric is difficult and distorts the piecing. Good luck!

I did not know that! Thank you for responding! That is precisely why I started the topic. I am new to quilting and know there are others who have been down this road! I will try it with a small amount of fabric before I go wild with it. I can always use it for other purposes in craftwork. Thanks!

Oh dear. I think I made a major mistake. I made piano keys without paper backing. I just did strip piecing. It seemed to work fine.

If it worked you didn't make a mistake. This is just another method. Remember, no quilting police here. :)

Wise investment....at a great price! :)

Didn't know this product existed. Great idea.

Can't wait to see how it works......

Dont' fret!!
I've always just done my piano keys solo .. and no problems!
Never even thought of using paper or a foundation fabric.

Well, I looked at the paper again this morning, and lo and behold, I bought really cheap paper that absorbs water in an instant and falls apart when it is wet! I guess it is going to work, although I have not yet had the time to try it on the machine.