James Linscome <mrwispy> writes:

A spray can of liquid glass protective coating will soon be
available in your local hardware store.

http://www.physorg.com/news184310039.html

http://www.nanopool.eu/couk/index.htm

Sure sounds to me like it could be an ideal sail cloth coating. Protect your
wing, harness, parachute, glider bag, rack padding, straps, tow ropes.... from
UV, mold, stains and dog p.