The thick plastic awning strip that attaches to the camper separated from the awning bag during our last camping trip with 40 mph winds.
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80 lb braided nylon fishing line
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A flaw in the original sewing is that the thread was cotton and one long piece so it was only a matter of time when one end started to separate.  I sewed it with an upholstery needle in 12-18 inches separate sections across the 16' awning.
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Finished product.
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