~ jan wrote:

On Sun, 19 Aug 2007 23:12:36 CST, Phyllis and Jim
wrote:

Don't do it, buy one piece, even if you get it right, it will always be
a source of worry. So far I've yet to hear of a success story that I
remember.

We joined the liner used in our falls to the liner for the streams.
No leaks yet.
Jim

Joining in streams, not such a problem, but at the bottom of the pond? I'd
worry.

Recently a club owner enlarged her pond, contractor didn't get big enough
liner, seamed it (both pieces brand new) lasted 6 weeks and started
leaking. She had to buy a whole new piece and the contractor had to rip it
out and do over. :-( ~ jan

I had an odd-shaped pond that would have required me to buy about 3x as much
liner to do it without seams (and at 1000 sq. ft. of EPDM for $0.60/ft at
the time, I didn't want to go that route), and I never had a problem with
it, even though I had to take it apart and redo the join before I ever put
water in it.

But I can't imagine getting a _used_ liner clean enough to hold the glue, so
I wouldn't try with an existing pond.
--
derek