Man Hole Rings

Manhole Rings and Seating Slabs

Moore Concrete manufacture a large variety of precast concrete Manhole Rings, Cover Slabs, Risers (also known as Seating Slabs), Lids and Accessories for the use by diverse industries including contractors, landscape designers and farmers.

Our manhole rings are manufactured with a tongue and groove joint making it easy for numerous rings to be jointed together.

We carry a large amount of stock across the range, with all rings manufactured British Standard Approved — BS EN 1917 & 5911-3.

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Manhole Rings Size Chart

The internal diameters of our rings are 900, 1050, 1200, 1350 and 1500mm and depths are 300, 600, 900 and 1200mm, as per table illustrates below.

Manhole Rings Size Chart Moore Concrete

Precast Concrete Manhole Rings Key Benefits

  • High strength and durability
  • Tongue and groove design make it easy to fit together.
  • Joints can be sealed to ensure structure is water tight.
  • British Standard Approved — BS EN 1917 & 5911-3
  • Products immediately ready for installation, reducing site time
  • Moore Concrete can provide a complete range of complimentary products
    • Cover Slabs
      • Available for 900mm rings – 600 x 600mm opening
      • Available for 1050mm rings – 600 x 600mm or 675 x 675mm or 750 x 750mm opening
      • Available for 1200mm rings – 600 x 600mm or 675 x 675mm or 750 x 750mm opening
      • Available for 1350mm rings – 600 x 600mm or 675 x 675mm or 1200 x 675mm opening
      • Available for 1200mm rings – 600 x 600mm or 675 x 675mm or 750 x 600 or 1200 x 675mm opening
    • Manhole Risers also known as Seating Slabs or Adjusting units are used to adjust the cast iron cover to the required level, fitting between the cover slab and cast iron cover they can be stacked on top of each other , thus eliminating the need to lay engineering brick. This is fully compliant with building and NI Water regulations. Available sizes below;
      • 850 x 850 x 75mm – opening 600 x 600mm
      • 1175 x 1175 x 75mm – opening 675 x 675mm
    • Cast Iron Cover  600 x 600mm
    • Steps
    • Silicone
    • Sealer

Precast Concrete Manhole Rings Applications

  • Storm Water
  • Sewerage
  • Pipeline junctions
  • Electricity, Telephone and Gas Connections
  • Some customers have even used them as raised flower beds

Precast Concrete Manhole Rings & Risers Installation

Want More Information?

For further information regarding Manhole Rings and Seating Slabs please contact a member of our civils sales team on 028 2565 2566, Ext 3.