:I prefer synthetics
: wherever possible, and had thought back to m airplane-buiding days and
: using ceconite or shrinkable dacron. The heaviest I can find is 3.7
: ounces, fine for a bird but I shudder to put it on a kayak. Anyone know of
: some good sources?

From Skip Snaith's skin kayak pages

http://cronus.rockisland.com/~kyak/sbfaq.html#mat

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Dyson Baidarka in Bellingham is a good source for fabric and coatings for the one- off builder. He also sells plans, aluminum tubing, cordage and other kayak building supplies.

Dyson, Baidarka and Co.
435 W. Holly St
Bellingham WA 98225 360- 734- 9226

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If you ask, you can get small swatches of the different fabrics. There might be a small fee for this. He has some very substantial polyester (dacron?) fabrics .

also, if you are interested in coating with hypalon, he can supply this, too.

Have you read his book? "Baidarka"

hope this helps

PGJ