If your issue is the foundation removal at the end - tearing or wash away - you might want to try the freezer paper method of foundation piecing.
Here's a tutorial - you can find others out there:
http://www.twiddletails.com/store/in...age=page&id=21
You can make your own sheets from the roll or buy packages of precut sheets (again, not locally).
If you make your own sheets, it's the least expensive solution, even if you have to pay to ship the roll over.