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Fibrelyte Composite

FIBRELYTE® Composite Boxes 

FIBRELYTE®'s exclusive formulation of polyester resin, fiberglass and calcium carbonate yields lightweight, high strength products. This proprietary composite material is stronger, easier to handle and much lighter than concrete, saving both time and money during installation, service work and transportation. Sizes include 9" round up to 17"x 30" with up to a SCTE Tier 8 performance rating.


 Dry Utilities Polymer & Plastic 

Municipal Water Products 


  • Communications
  • Electric utility
  • Drainage
  • Traffic
Please contact us for more information about FIBRELYTE® Composite Boxes.
Or call 1-800-735-5566 to speak with a customer representative.
Product Name Materials Docs
FL08 Composite pdf
FL09 Composite pdf
FL12 Composite pdf
FL30 Composite pdf
FL36 Composite pdf