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CompareConcast offers special aluminum covers to be used for a variety of applications including replacing covers used in existing trench runs. The chart below lists some common sizes.
Reference Material
Polymer concrete boxes are a trusted solution for underground enclosures across telecommunications, electrical, water, and utility infrastructure. Engineered from a blend of polymer resins and mineral aggregates, these enclosures deliver exceptional strength, chemical resistance, and long-term durability—outperforming traditional concrete in many demanding environments. Whether used as splice boxes, handholes, or junction enclosures, polymer concrete vaults offer a lightweight yet robust alternative that simplifies installation while providing superior performance.
Polymer concrete vaults are high-performance underground enclosures engineered for superior strength, durability, and long-term reliability in demanding environments. Constructed from a blend of resin and aggregate, these vaults offer exceptional resistance to moisture, chemicals, and temperature fluctuations while maintaining a lighter weight than traditional precast concrete. Ideal for telecommunications, electrical, and utility infrastructure, polymer concrete vaults deliver high load-bearing capacity, low maintenance requirements, and extended service life in both urban and industrial applications.
Fiber in a Box Singlemode Riser Blend Simple Yellow Jacket 2000ft/610m - EF-OS2R-SIM-WT 
Fiber in a Box OM3 Riser Duplex Aqua Jacket 1000ft/305m - EF-OM3R-DUP-AQ 
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