Vapor Barrier Supply - HYDRAFLEX™ 40 mil Black Polyethylene Plastic Sheeting 

HydraFlex™ H40B is a coextruded geomembrane consisting of outer layers of virgin linear-low density polyethylene and an inner core of virgin and select reprocessed resins. HydraFlex™ H-Series membranes are stabilized with carbon black and antioxidants designed for an economical solution for near to midterm applications. The premium quality LLDPE contained in the H-Series product line offers exceptional value including ease of welding along with high impact and tear resistance. 

This product is a Premium-Grade liner that is designed to resist pinholes and flex cracking and are used in applications requiring enhanced flexibility as demonstrated by low modulus characteristics.

Applications include:

  • Hazardous Material Containment
  • General Use Cover
  • Vapor Barrier
  • Moisture Barrier
  • Protection Barrier
  • Dust Containment
  • Drop Cloth
  • Residential Pond Liner
  • Commercial Pond Liner
  • Above Ground Tank Liner
  • Reserve Pit Liner
  • Oil Field Liner


  • 40 Mil Thickness
  • Waterproof
  • Strong and Durable 
  • General Use 

Please note: Our Products are packaged to minimize Shipping Cost and Shipping Delivery Times. Our Carriers deliver on time at a rate of 99%. Call with any Special Requests.


We accept returns within 7 days of receipt of your purchase. Any returned items must be in its original, unused condition.

All returned items are subject to a 10% restocking fee.


Orders that are cancelled before shipping will be refunded entirely. Please contact us promptly for any order cancellations.

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HYDRAFLEX™ 40 mil Black Poly Cover Polyethylene Plastic Sheeting

  • Product Code: 40-Mil-Vapor-Barrier
  • Availability: In Stock

  • $15.40

Available Options

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Tags: vapor barrier, moisture barrier, pond liner, liner, barrier