24″, 30″, & 36″ MANHOLE GRADE RINGS | Pull Boxes & Handholes | Oldcastle Infrastructure | Model: GRADE RINGS | SKU: OCI-4054-2

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.