What are RPP or Reinforced Polypropylene Liners?

RPP, or reinforced polypropylene, is a three-layer membrane, with a scrim reinforcement layer in the middle single layer and high-grade polypropylene liner in the two outer layers. This reinforced polypropylene material is made using a variety of manufacturing processes by various material producers. In addition to the various projects FLSI has finished from fabrication to installation, our years in the business have given us the expertise required for your job.

Where is RPP used?

  • Agricultural
  • Aquaculture
  • Berms
  • Canals
  • Chemical Storage
  • Construction
  • Energy
  • Evaporation Ponds
  • Exposed Covers
  • Floating Covers
  • Fountains
  • Golf Course Ponds
  • Hatcheries
  • Industrial
  • Koi Ponds
  • Lagoons
  • Ponds
  • Reservoirs
  • Waste Water

RPP Liner Benefits


Exceptional Durability


Great Flexibility


Great Puncture Resistance


cold-weather-suitable
Cold Weather Suitable


Potable Water Safe


Great UV Resistance


Easily Fabricated


Scrim Reinforced Material

RPP Liner Properties

RPP Liner Gallery

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Past Work