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The Advantages and Disadvantages of HDPE Geomembrane Liner

To build a pond, landfill, dam, or lake, and so on, the first thing is to choose the waterproof impermeable liner. But, there are many kinds of flexible liners — often called “geomembranes”. Your liner should stay stable under the hottest and coldest temperatures your area may experience, and it should not be damaged, punctured, or torn as the objects or irregularities. If the liner is exposed, it must be anti-UV.

HDPE Geomembrane
HDPE Geomembrane Liner

Chemical resistance, flexibility, the cost can all vary as well. For these reasons, it is better to know a little about different liner materials before you invest.

HDPE Geomembrane (High-Density Polyethylene Geomembrane)
HDPE Geomembrane Liner has a very good UV resistance and functions well in cold temperatures. It is also strong and very stiff. HDPE Geomembrane Liner’s most desirable characteristic, though, might be its superior resistance to a wide range of chemicals. With its cheap price and the fact that many sheets can be joined using a welding machine, HDPE Geomembrane become one of the most popular geomembrane types worldwide. HDPE Geomembrane Liner is used for landfills and chemical containment projects, but it is also safe and well-suited for fish ponds.HDPE Geomembrane Liner is very durable, the life can last upwards of 50 years when covered.

geomembrane process
HDPE Geomembrane Liner

Unfortunately, HDPE Geomembrane Liner is far from perfect, Because it is stiff and heavy, HDPE Geomembrane Liner may be expensive to ship and can’t be customized shaped or assembled in a factory. Instead, you’ll have to pay extra installation costs to install on-site by professionals. These expenses make HDPE Geomembrane Liner most cost-effective for larger projects.

HDPE Geomembrane Liner’s lack of flexibility can also make installation more difficult, You must be careful when installing the HDPE Geomembrane Liner on the rough subgrade, since the material is vulnerable to punctures, and surface scratches that can become cracks over time.

HDPE Geomembrane Liner Advantages:

  1. Excellent chemical resistance
  2. Good UV resistance
  3. Cheap
  4. Weldable
  5. Fish safe
  6. Very durable
  7. 50years lifespan when covered
  8. Performs well in cold temperatures

HDPE Geomembrane Liner Disadvantages:

  1. Poor flexibility
  2. Heavyweight makes it more expensive to ship, difficult to install
  3. Less custom fabrication; welded on-location
  4. Poor resistance to stress cracking
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