Vaults Medium

The Medium Duty Access Box bodies are made of High Density Polyethylene (HDPE) or Fiberglass Reinforced Polymers. The covers and rings are made of a proprietary blend of Polymer Concrete. These boxes are designed and manufactured to meet Western Underground 3.6 load requirements. Our Medium Duty boxes are lightweight and easy to install. They have various options that simplify and speed up cable installation.