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Old 08-26-2010, 05:29 PM
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Niagara Falls Niagara Falls is offline
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Enlarging a pond

Now that I have finally got my waterfall and pond under control, the wife is loving it, so much in fact she says it's way too small and should be made bigger, and deeper for the fish.

I would need to dig up the skimmer, and add to the existing liner. What would be the best way to do this? I have some liner tape, would that work as a permanent join?

The part she wants to enlarge is at the area of the skimmer and would got out about a 15' diameter circle.
I've attached a pic to show where she is referring.
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Old 08-26-2010, 07:28 PM
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tadpole tadpole is online now
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De ja vu all over again.

Don't even give a second thought to seaming in an additional section of liner.It is too exacting a task for most Pro's much less a DIY. It is very difficult to get absolute integrity in a seam of that length and curvature. It would be much simpler (and cheaper in many ways) to just replace the existing liner with a new liner of the correct size.

A little hint- You and your wife have new Pond syndrome. The first is never large enough. Whatever size you are thinking of expanding to, add at least 10% more to make sure it will be of satisfactory size.
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Old 08-26-2010, 09:17 PM
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STL Ponds and Waterfalls STL Ponds and Waterfalls is offline
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Quote:
Originally Posted by tadpole View Post
De ja vu all over again.

Don't even give a second thought to seaming in an additional section of liner.It is too exacting a task for most Pro's much less a DIY. It is very difficult to get absolute integrity in a seam of that length and curvature. It would be much simpler (and cheaper in many ways) to just replace the existing liner with a new liner of the correct size.

A little hint- You and your wife have new Pond syndrome. The first is never large enough. Whatever size you are thinking of expanding to, add at least 10% more to make sure it will be of satisfactory size.
Very well said. It is quicker cheaper and for the love of God less stress replacing the liner than seaming a liner. Rember your little leak.....just imagine.
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Old 08-29-2010, 01:00 PM
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CJF CJF is offline
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Can you show more pic's of your pond? I think the layout and stream is very
pretty.
I see a lot of potential for backing up a separate and bigger pond next to your existing pond.

We successfully added on to our pond in 1998, using seam tape, silicone
and cut liner ( after we used the tape we sandwiched the two liners together between
two pieces of cut liner with lots of silicone) the added extension
is 6' x 13' The way we did it -- was to drop the water level down a couple of feet while we were
working, and seamed it down only one foot down,and about
two foot wide...
this way if our seam ever sprung a leak, the water would only drop down
one foot and the fish would be safe...another plus was that the fish were able to
stay in the pond during construction and curing time.

Because of the shape and style of your pond and stream, I agree with
tadpole to make a separate pond. However, I would back it up to your
existing pond.
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Old 08-29-2010, 02:23 PM
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Quote:
Because of the shape and style of your pond and stream, I agree with
tadpole to make a separate pond. However, I would back it up to your
existing pond.
You misread my post. I was not suggesting a separate Pond, but to use an entirely new appropriately sized liner for expanding his existing Pond. You have been extremely fortunate that you have not had any leaks in your Pond, but seaming EPDM is a tedious and exacting project. Liner is not that expensive; especially when weighed against the time involved in seaming plus the peace of mind from NOT worrying about a leak occurring immediately or later in time.
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Old 08-29-2010, 03:27 PM
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STL Ponds and Waterfalls STL Ponds and Waterfalls is offline
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My supplier will come out and seem a liner and guarantee the seem, but I still wil not do it. I feel more comfortable with a one piece liner.
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Old 08-29-2010, 06:02 PM
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Keith

Does your supplier use a heat seaming device. If not, then he is one brave man (or a fool) if he guarantees it.
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Old 08-29-2010, 08:02 PM
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I've never inquired about the process. I'm a firm bleiever in one piece liners for the pond basin.
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Old 08-29-2010, 08:12 PM
WGrnd21 WGrnd21 is offline
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Your lawn ornaments are tacky.
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Old 08-29-2010, 09:27 PM
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....and so is your post, sir.
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