RE: 1/2 oz or 3/4 oz glass
JIMfc3,
50 yards for $75 is a pretty darn good price. I mostly get mine from [link=http://cstsales.com/fiberglass.html]CST[/link], they have varying weights and widths and lengths. They are also a good supplier of carbon fiber if you ever need that. They carry a TON of other materials that I haven't used ............... yet!