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Electrical Substation Products

Redwood Plastics’ fiberglass Secondary Containment System and Utility Covers System are ideal for use in electrical substation applications and both are low in conductivity, lightweight and easy to install.

Redco COMPOSOLITE® Secondary Containment System
The Redco COMPOSOLITE® Secondary Containment System is ideal for use in any application requiring secure containment of liquid or solid materials. The system was initially developed in conjunction with American Electric Power and has been widely accepted by many utilities. Current installations number over 500.

The lightweight, high strength pultruded fiberglass containment system is much easier and more cost effective to install than poured-in-place concrete or earthen containment alternatives. The system also can easily be installed in confined or remote areas or easily removed if necessary.

Each REDCO™ COMPOSOLITE® Secondary Containment System is designed for your specific application. Systems are prefabricated and shipped in kit form for field assembly.

An optional liner can be added for further protection against leaks in applications involving liquid containment.

Features and Benefits:

  • Strong
  • Lightweight
  • Easy to Install
  • Reduced Installation CostsCorrosion Resistant
  • Low Maintenance
  • Low Conductivity
  • Easy to Transport

Typical applications include oil containment for electric substation transformers, secondary containment for chemical storage areas and containment walls around construction sites

Kit Contents
Each containment system is shipped with the following materials:

  • Redco COMPOSOLITE® panels – maximum length 24′; weight approximately 7.5 lbs/ft.
  • Square tubes for post with pre-drilled holes
  • Corner angles with pre-drilled holes
  • 316 stainless steel bolts
  • Cap channel with nylon rivets – furnished in 20′ lengths for field cutting
  • Drill bits for bolts and rivets
  • Tubes of Pliogrip® adhesive
  • Adhesive applicator
  • Splice plates with pre-drilled holes
  • Flat strips and self-tapping screws for liner



REDCO™ UTILICOVER® Fiberglass Utility Trench Cover System
The strong and durable fiberglass cover system installs easily and can be quickly removed for trench access by one person.


  • Extremely Lightweight
  • Strong and Durable
  • Easy to Install
  • Safe
  • Cost Effective
  • Available in Custom Widths

The REDCO™ UTILICOVER® fiberglass trench cover is extremely lightweight, one-fourth the weight of heavy concrete panels, and can be lifted by one person with far less risk of back, hand or foot injuries.