Knowledgebase
Welcome to the BTL Knowledgebase. Ever since we started lining ponds, creating covers, and helping people with their projects, we've gotten asked a lot of questions. Many of these questions are repeatedly asked, so we put together the BTL knowledgebase to help answer any questions you had about a particular subject. We are adding new questions every month, so continue to check back often!
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Can you use EPDM in a pond?
Yes, EPDM is often used in ponds and lakes as a liner material.
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Is EPDM heavy?
While EPDM is heavier and thicker than most kinds of pond liners, it is also more flexible and durable.
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Is EPDM heat-resistant?
EPDM can withstand temperatures as low as -55 degrees up to 275 degrees.
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Can you install EPDM yourself?
Installing an EPDM pond liner is a simple process and a small pond installation can be easily managed by one or two people
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Is EPDM better than PVC?
EPDM pond liners are much more flexible and resistant to damage than PVC, and will last for many more years
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Is EPDM safe for fish?
While EPDM is normally harmless, be sure to look for the label that certifies your pond liner as fish and plant safe.
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How much does EPDM cost?
The cost of EPDM depends on the specific treatments applied and the intended use.
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Is EPDM UV resistant?
The chemical structure of EPDM makes it naturally resistant to UV and other weathering effects.
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Is EPDM resistant to tears and punctures?
EPDM pond liners are extremely flexible and remain so even in extreme temperatures.
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How do you install an EPDM liner?
The reliability and flexibility of an EPDM pond liner makes it a great choice when installing a pond
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Is EPDM flexible?
EPDM is exceptionally flexible, which makes it one of the most popular pond liners on the market.
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Can you patch an EPDM liner?
EPDM is fairly easy to patch, although preparation may be labor-intensive
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Does EPDM absorb water?
EPDM is the most water resistant of all the rubbers and absorbs a trivial amount of water, even for extended periods of time.
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Is roofing EPDM different than an EPDM liner?
Roofing EPDM is manufactured using a different process than fish and plant safe pond liners.
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What goes under an EPDM liner?
Because EPDM rubber has a lower puncture resistance, installation with a protective geotextile underlayment always recommended.
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Is EPDM plastic or rubber?
EPDM is a synthetic rubber, or elastomer. Its elastic properties differentiates it from plastics.
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Is EPDM waterproof?
EPDM is flexible, inexpensive, and extremely waterproof, making it a popular liner for backyard ponds, lakes, and man-made streams.
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How do you seam EPDM liners?
Joining sheets of EPDM is actually a relatively simple process if you approach it with patience and attention to detail.
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What's the difference between HDPE and EPDM liners?
Both HDPE and EPDM are very heavy, but HDPE is significantly heavier and thicker.
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Does EPDM last a long time?
The durable nature of EPDM means that, when properly installed and maintained, an EPDM pond liner can easily last for decades.
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Is EPDM good?
EPDM pond liners are one of the easiest and cheapest ways to build a reliable, long-lasting pond.
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What does EPDM stand for?
EPDM stands for Ethylene Propylene Diene Monomer and is often referred to as synthetic rubber.
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Do I need to winterize if it doesn't get really cold here?
Even in warmer areas were temperatures get close to freezing, you should consider some preparation steps for cold weather.
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