Standard Precast Grade Rings

Concrete Grade Rings

Concrete Grade Rings are used in our communities to finish elevations for civil products that meet the road elevation such as catch basins and manholes.

Grade Ring Spacers

Concrete Grade Rings

Precast Grade Rings are utilized by on-site contractors to meet final grade elevations in paved areas.

Concrete grade rings are easy to work with and provide compressive strength under municipal cast iron products.

Prefabricated Quality and Durability

Grade rings are supplied to match the cast iron frames which they sit under and there are various options.

Catch basin Grade Rings

50mm heights in full, D-Ring, Highways Style, Side Inlet configurations.

Manhole Grade Rings

50,75, & 100mm height grade rings for 635, 750 & 900mm manhole access openings.

Drawings Downloads

  • Standard Manhole Grade Riser Rings

Precast Products for Onsite

Grade Rings are just part of the big picture of civil engineering projects.

Better alternative to plastic

Langley Concrete has invested in technologies and equipment to offer a wide range of products for developing civil underground applications.

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