Precast Grade Rings allow for height adjustability and accurate positioning of access openings for vaults and manholes. They allow for accurate positioning of manhole access openings Grade rings are available in a variety of diameters and heights.
- Modular Construction
- Manhole Coatings
- Grade Rings and Risers
- Offers immediate accessability to maintain and inspect the critical infrastructure
- Customizable sectional design
- Quick and easy install
- Water-based damp-proofing, epoxy-based chemical resistant, and other coating options are available upon request
- Elevate access opening covers to grade
- Available in rectangular and round shapes
- Variety of sizes available
Model: 3′-1 Dia x 4″H x 6″ Thick Grade Ring
Load Rating: manholes, components-manholes-2








































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