Southwest Fiberglass, LLC's  FRP underground utility vaults are designed for sub-surface installation of electrical transformers and similar component equipment in residential areas.  The standard  vault is compact, lightweight and easy to handle and install.  Since the vaults are constructed of FRP, they will not rust, mildew or corrode and provide long term economic advantages when compared with comparable concrete vaults.

Our standard underground residential utility vaults are available in two sizes: (1) 36" by 72" oval design and (2) 36" dia. round design.

  • Non-conductive
  • Lightweight (less than 300 lbs installed weight)
  • Load rated for 3,000 lbs for 12" diameter point load
  • Easy to handle and install with standard tools
  • Non settling base
  • Inspection accessibility of installed components
  • Installed flush with grade
  • Easy to include in landscape plan
  • Eliminates unsightly eyesore of above grade equipment installation
  • Increases residential property owners property values

 

 

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