ORIGINAL: Lowvoltage
Here is a FAQ page that can explain part of our concerns:
http://www.polyfiber.com/faq/index.htm#confused
I know that nitrate dope tightens up the fabric better than the polyester paint, but I have never asked if I could cover nitrate dope with polyester paint and maintain the drum-tight fabric.
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From what i have read the "polyester paint" does nothing to tighten the fabric. With stits and similar systems, use heat after glueing the fabric to the structure. The heat shrinks the fabric to the desired tautness. With a dope system the dope is applied to shrink the fabric. the problem i have heard about dope is that it can continue to shrink the fabric for years after it is applied, albeit only a small amount. I have no idea how dope would work on polyester fabric.
skeeter