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Cast & Ductile Iron Manhole Covers

Cast & Ductile Iron Manhole Covers

Cast iron and ductile iron manhole covers are solid access covers designed for installations where strength, weight and long term durability are required. These covers are widely used across drainage and utility infrastructure to protect underground inspection chambers while allowing reliable access for maintenance.

Traditional cast iron covers have been used for many years in public and commercial installations due to their mass and durability. Ductile iron covers are now more commonly specified as they offer improved structural performance, including higher strength and greater resistance to impact and cracking under load.

These covers are typically installed in roads, driveways, service yards and commercial sites where vehicle traffic is present. Their weight and rigidity help prevent movement once installed, making them suitable for areas subject to regular loading.

Unlike recessed access covers, cast and ductile iron covers do not contain a tray for infill materials. The lid remains fully visible at surface level and provides a straightforward, heavy duty solution for accessing drainage chambers and underground services.

Selection is based on the clear opening required for the chamber and the load rating needed for the installation environment. Cast and ductile iron covers are often chosen where higher load classes are required and where durability under repeated traffic is a key consideration.