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  1. #1
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    Question Sil-Poly for tarp?

    I saw some fabric that was bright blue at wal the other day, and I am pretty sure it is Sil Poly because it had a waxy texture to it. I remember reading someone describing sil poly this way when reading about different fabrics here, and that is how they described it...

    Can I use this stuff for a tarp?

  2. #2
    Senior Member headchange4u's Avatar
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    As long as it's waterproof, it should work fine.
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  3. #3
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    Shucky-darn! I have to go to the fabric department again...

  4. #4
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    Sil poly vs. silny?

    [QUOTE=Narwhalin;54747]I saw some fabric that was bright blue at wal the other day, and I am pretty sure it is Sil Poly because it had a waxy texture to it. I remember reading someone describing sil poly this way when reading about different fabrics here, and that is how they described it...

    What is the difference between "Sil poly" and "silicone-impregnated nylon, aka silny"?

    Also, it seems that I read that we should use nylon, not polyester for hiking gear....Is this because polyester stretches too much?

  5. #5
    no, nylon stretches too much, we should use polyester for hiking gear .

    i love my polyester hammock, and i suspect poly would make a tighter tarp with less fuss, less need for tarp tensioners. i just can't afford to buy spinntex right now.

  6. #6
    Darby's Avatar
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    Quote Originally Posted by warbonnetguy View Post
    no, nylon stretches too much, we should use polyester for hiking gear .

    i love my polyester hammock, and i suspect poly would make a tighter tarp with less fuss, less need for tarp tensioners. i just can't afford to buy spinntex right now.
    Do you happen to have a link for Spinntex
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  7. #7
    Senior Member dufus934's Avatar
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    I also found some bright blue "waxy" fabric at my local wal-mart. Mine had a ripstop grid on it though. Did yours have this? This fabric only let water through when I put a large puddle in the middle of a piece of the fabric over a bowl. In a rain it works awesome as a tarp.
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  8. #8
    the feel of it has to do with the coating on it i believe more than the material it's made of. polyester is generally softer and silkier than nylon.

    you can get spinntex from www.thru-hiker.com

  9. #9
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    Quote Originally Posted by dufus934 View Post
    I also found some bright blue "waxy" fabric at my local wal-mart. Mine had a ripstop grid on it though. Did yours have this? This fabric only let water through when I put a large puddle in the middle of a piece of the fabric over a bowl. In a rain it works awesome as a tarp.

    Yes! That's it...

    I did the same test, and after 4 1/2 hrs., no water leaked through! I am stoked about this stuff...it is very thin and lightweight...

  10. #10
    Senior Member dufus934's Avatar
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    Thats the stuff. Great find!
    God Bless,
    Kyle
    willky1@gmail.com

    "Fearless warriors in a picket fence, reckless abandon wrapped in common sense
    Deep water faith in the shallow end and we are caught in the middle
    With eyes wide open to the differences, the God we want and the God who is
    But will we trade our dreams for His or are we caught in the middle" - Casting Crowns

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