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Polyethylene sheeting repair tape?

Post in 'The Wood Shed' started by velvetfoot, Sep 2, 2009.

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  1. velvetfoot

    velvetfoot Minister of Fire

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    Is there tape that would work that would be available in a hardware store, or do you have to get something made for tarps on line?
    Could a patch be heated (melted) on?
    Thanks.

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  2. Corey

    Corey Minister of Fire

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    You should probably be able to track down some 'vapor barrier sealing tape' at most major hardware / home improvement stores. That should work as most vapor barrier is PE. Something like 3M 8087 tape:

    http://solutions.3m.com/wps/portal/...E3E02LECFTDQGLE0_nid=V75V8DT8VPbeRLPCCS26SWgl

    http://multimedia.3m.com/mws/mediawebserver?66666UuZjcFSLXTtmX&cl8TaEVuQEcuZgVs6EVs6E666666;--

    Now the key is Polyethylene is a close chemical cousin to teflon Polytetrafluoroethylene [they both have the same ethylene monomer as a base] so while tape may stick and seal, it probably won't be a 100% structural bond, so if you plan on putting a lot of force or movement on the taped joint it may eventually come apart. "Plastic welding" may be an option or 3M also makes a DP-8005 epoxy which is formulated to bond 'low surface energy' plastics like PE.

    http://www.3m.com/intl/kr/img/adh/adhesives/dpseries/DP8005.pdf


    (note - I'm not associated with 3M, just citing some of their products)
  3. Highbeam

    Highbeam Minister of Fire

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    Consider the price of just replacing the tarp. When you start taping up the little holes in a wood tarp you quickly approach the act of "polishing a turd"
  4. velvetfoot

    velvetfoot Minister of Fire

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    Thanks guys.
    (Extra words inserted to enable post acceptance.)
  5. firefighterjake

    firefighterjake Minister of Fire

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    I was thinking along the same lines . . . most tarps aren't all that expensive to simply replace.
  6. velvetfoot

    velvetfoot Minister of Fire

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    A long roll of that 6 mil poly isn't that cheap.
  7. TreePapa

    TreePapa Minister of Fire

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    Harbor Frieght usually has good prices on tarps. If you have a local store, it's a good deal, if you have to order and pay shipping, maybe not.

    Peace,
    - Sequoia
  8. granpajohn

    granpajohn Minister of Fire

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    If it's a tear, not a hole....
    I once sewed a heavy PE tarp with needle and thread; then sealed the seam with RTV. It's still holding fine. Tear was about 5 inches long.
  9. webby3650

    webby3650 Master of Fire

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    I use a lot of the Lowe's brand Tyvek for Mobile home belly repairs. This is braided Polyethylene, the tape for this stuff works very well. I would think this would do very well for a tarp!
  10. Duetech

    Duetech Minister of Fire

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    For silver tarp repair I use the old two sides duct tape. Usually lasts as long as the tarp.
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