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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. EPDM is extremely flexible and lightweight, while HDPE is very heavy, and may require machinery in order to install.

HDPE is less expensive than EPDM, typically. However, it's weight and general unwieldiness make the installation process more difficult. HDPE is heat-welded, making its seams incredibly secure, while EPDM needs to be attached with tape.


Liners by BTL

AquaArmor Pond Liner

The most versatile liner on the market today, AquaArmor maximizes protection from harmful UV rays, tear resistance and punctures that cause leaks. Simply the best liner on the market.
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