Keeping Water In Pond Liners Reviewed

There are several kinds of​ pond liners available in​ pond stores.

The first is​ EPDM rubber – and this is​ extremely durable, resists punctures and quite flexible. it​ is​ normally sold in​ 40 or​ 45 mil thickness. if​ you intend to​ put a​ rock bottom on top of​ your liner, this is​ the liner for you as​ it​ is​ very flexible and will give and take with freezing. The puncture resistance and flexibility ensure a​ long life and consistent performance. Usually guaranteed for over 20 years.

Polyethylene is​ the cheapest liner you can buy. But with this lowered cost comes a​ lowered lifespan. if​ exposed to​ sunlight – this material may only last one season. it​ is​ not puncture resistant and it​ is​ quite stiff. The only serious use of​ this material is​ if​ you have a​ very large pond with a​ sandy bottom and can bury the edges so the sunlight can’t get to​ it. But if​ you think you want to​ build a​ backyard pond cheaply, using this is​ truly false economy.

Polypropylene is​ another choice and it​ comes in​ the same thickness as​ EPDM and is​ equally puncture resistant. The problem comes in​ the flexibility (about the same as​ polyethylene which is​ to​ say terrible) and this makes it​ difficult to​ go around corners. But it​ is​ the strongest of​ the liners.

Old swimming pool liners make terrible liners as​ they tend to​ degrade quickly in​ the sunlight and are quite stiff.

And what about cheaper materials such as​ that for roofing. The difference between fish-safe and other material is​ that the fish safe liners are made with a​ consistent formula. Other non-fish materials might be OK in​ this batch but if​ compound a​ becomes cheaper next week, it​ will replace the more expensive compound B. The difficulty is​ that it​ doesn’t matter for roofing that compound a​ kills off fish while compound B does not. in​ fish-safe liners, all material used is​ consistently fish-safe. But it​ is​ possible to​ obtain a​ real deal on roof liner material sometimes – just be aware that it​ may or​ may not be fish safe.

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