D400 Double Triangular Manhole Covers are made from durable ductile iron and are most appropriate for main roads and carriageways carrying fast moving heavy traffic. These covers are Highways Agency HA104/09 compliant and have a double triangular three-point suspension non-rock design with the underside of lids loosely bolted together.
For covers and gratings used in carriageways of roads (including pedestrian streets), hard shoulders and parking areas, for all types of road vehicles.
For covers and gratings used in carriageways of roads (including pedestrian streets), hard shoulders and parking areas, for all types of road vehicles.