I've seen multiple references to using the walmart $1 fabric bin. Can you use this stuff for a weight bearing hammock? Has anybody found anything in these bins that comes close to rip-stop in weight/strength?

Hancock Fabrics in my town sells Fabri-quilt #128. According to the Fabri-quilt website this is 1.9 oz rip stop. I bought 3 yards (actually got 10.5 feet) for my DIY hammock.

Is on-line/mail order the only source for 1.1 oz silnylon? I make trips to Atlanta from time to time. Is there a store there that stocks this material?