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Thread: splice a liner

  1. #1
    kytalker's Avatar
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    splice a liner

    Anyone ever put to peices of liner together(epdm).. What is the best way??

  2. #2
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    I saw a city water treatment plant that was being constructed and they seamed many pieces together. It was a huge project. I know it can be done, but I don't know the equipment you would need to rent or the process.

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    I did it in the middle of my stream. I used the heavy duty seam tape on the bottom and butted the two pieces of liner. I put another layer on the top. The liner was new and clean.
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    Old EPDM is problematic IF it is not clean (very clean & free of algae & biofilm build-up).

    New liner is a lot easier.
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    webted is offline
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    Yep, I've done it a couple of times. Firestone sells a kit for just this purpose, and it works well. You can find it all over - these guys have a decent picture of it:

    http://www.bestnest.com/bestnest/RTP...FIR-W56RAC1690

    And WAC is right: a new liner is MUCH easier to seal.

    However, I spliced a used liner together one spring five or six years ago - the liner had been in use for more than a year, and was under a running stream. Despite leaving about 10' of unspliced overlap, I still had a leak (a hard lesson in capillary flow....). So, I dug out underneath the stream, slid boards in to keep the liner out of the mud and built a tent over the top. After I scrubbed and dried the liner, I used the seaming kit in ~45 deg F weather.

    No leaks for two years (I moved, so I can't testify past that) and I was checking closely.

    -t

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  7. #7
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    I have some roofer friends do my pond .It has 3 splices does not leak . They use a special cleaning primer smells like kerosine . they clean about 10" on each piece . They use a glue apply gluewith paint roller to both sides . Let glue dry . must have a nice flat surface to work on lay the pieces together ,once they touch there stuck ,then use a like a wallpaper roller ,,, after that seam sealer on the joint

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