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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Is PVC UV resistant?
PVC is sensitive to UV degradation, and will quickly become brittle if exposed to enough sunlight.
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How long does HDPE pond liner last?
HDPE is incredibly long-lasting, and can last over 30 years when properly maintained and installed.
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How long does PVC pond liner last?
A PVC pond liner will last longer if protected from the elements, such as freezing periods and sunlight. A well taken care of PVC liner can last up to 25 years.
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How long does EPDM pond liner last?
A properly installed EPDM liner can last over 30 years.
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Can you use EPDM for pond liner?
Yes! EPDM is a kind of synthetic rubber that is very popular in backyard pond settings, especially due to it's extreme flexibility and resistance to UV degradation.
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Is EPDM safe for fish?
EPDM doesn't contain any plasticizers, meaning that there are no chemicals leaching out that can harm your fish.
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pvc epdm roofing comparison
PVC and EPDM are both very common choices for roofing materials thanks to their weather resistance and durability against cracks, etc.
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Is PVC dangerous?
PVC can leach some of the chemicals found in its manufacturing after enough time, and can be dangerous for humans or wildlife alike.
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What types of PVC are there?
PVC is typically divided into three categories: Type 1, Type 2, and foamed PVC.
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Is PVC the same as vinyl?
Typically, 'vinyl', is used as shorthand for something made out of PVC.
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Is PVC toxic?
Type 2 PVC contains some dangerous chemical additives, including lead and cadmium.
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What is PVC used for and why?
PVC is an extremely versatile material, cheap and flexible. It's found in footwear, medical equipment, cable installation, and more.
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What makes HDPE a good liner for ponds?
HDPE is fish-safe, chemical resistant, and extremely durable, making it a powerful option for pond liner solutions.
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Why isn't EPDM a good liner for ponds?
EPDM is fish safe, but is especially vulnerable to punctures and tears that are common in the installation process.
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Why isn't PVC a good liner for ponds?
PVC tears easily, and degrades very quickly when exposed to sunlight.
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What is the difference between rubber and EPDM
EPDM is a highly durable, synthetic rubber, particularly ideal for weathering resistance.
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What are the key properties of HDPE?
HDPE is one of the most affordabe options when it comes to durable, chemical resistant pond liners.
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Are EPDM liners any good?
EPDM is made out of a multiple polymer combination that lends to it's high durability, and it's increased weight.
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Is HDPE a rubber?
HDPE is a kind of polymer developed from petroleum. this is considered a thermoplastic.
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What type of polymer is HDPE?
HDPE stands for High Density Polyethylene, a highly durable polymer that is made from petroleum.
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What is the use of HDPE liner in landfill?
HDPE is chemically resistant, able to withstand the highly corrosive liquid found within leachate.
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What's the difference between HDPE and EPDM?
HDPE can be used with living creatures, as it's completely BPA free and resistant to chemical leaching.
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Should I use PVC or HDPE?
PVC is lower cost, and easier to install, however it is also very vulnerable to UV exposure, and damage during installation.
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