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20 Mil HDPE Liner


SKU LV-18-30-100

Our 20 Mil HDPE Liner is a waterproof, durable, and non-biodegradable plastic that is available in a variety of thicknesses. This mildew and rot resistant plastic roll can be installed vertically or horizontally and is tear and puncture resistant. It has a 100 year lifespan when installed under ground (not in direct sunlight), however the plastic is UV resistant and will resist breakdown from ultraviolet exposure. It can be used in hot and cold climates and is rodent and insect resistant.

The 20 Mil HDPE Liner a smooth plastic that is easy to install and has width options of 18" to 48". Our HDPE is made in the USA.


Plastic Sheeting

  • Material: High Density Polyethylene
  • Texture: Smooth
  • Size: Various
  • Need a Written Quote? Request Online >
  • Volume Pricing on Orders $6,500+
  • Questions? Call (800) 621-5381

Product Features

  • Waterproof
  • Commercial Grade
  • UV Resistant
  • Will Not Rot or Mildew
  • Non-Biodegradable
  • Non-Resistant to Rodent and Insect Damage
  • 100 Year Material Lifespan
  • Made in the USA


  • Ships Free (standard ground, see map)
  • Expedited shipping only available on orders over $2,000

Shipping estimates shown on the map pertain to this specific product only. HDPE orders typically ship same day if the order is placed before 12:00 noon CST. Transit times displayed in the map are listed in business days, and are approximate. Transit times are subject to stock levels at regional warehouses. The day that the order is shipped is not counted as a transit day.

Thickness comparison

The below is a thickness comparison of the material. HDPE plastic thickness is measured in "mils" which is "thousands of an inch".

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