Access Covers & Gratings

Access covers and gratings provide essential entry points to underground drainage systems, inspection chambers, and utility services while maintaining surface integrity and safety. These components are fundamental to any civil drainage installation, allowing maintenance access without disrupting surrounding areas. From residential driveways to commercial developments, the right cover or grating ensures long-term functionality and compliance with loading requirements.

Our Access Covers & Gratings Range

McMahons stocks a comprehensive selection of manhole covers, inspection chamber lids, and drainage gratings suited to various applications and load classifications.

• Gully grates - C250 ductile iron, flat - a flat unlockable ductile iron gully grate rated to C250 load class, suitable for use over road gullies in lightly trafficked areas and private car parks.
• Gully grates - C250 ductile iron, dished - dished ductile iron gully grates in lockable and non-lockable versions, rated to C250 for use on lightly trafficked roads and small private car parks where a recessed profile is required.
• Galvanised manhole covers & frames - pedestrian duty (2.5 tonne) - light duty single seal covers and frames manufactured from hot-dip galvanised pressed sheet steel with a slip-resistant pattern. Available in 300x300mm, 450x450mm, 600x450mm, and 600x600mm to suit standard inspection chamber openings in pedestrian areas.
• Galvanised manhole covers & frames - very light traffic (5 tonne) - medium duty hot-dip galvanised covers and frames in 600x600mm, suitable for residential driveways and areas subject to occasional light vehicle loads.
• Galvanised manhole covers & frames - light traffic (10 tonne) - medium duty galvanised pressed sheet steel covers and frames in 600x600mm with reinforced bracing, suitable for light traffic applications including shared drives and service roads.
• Manhole lifting key 500mm - a 500mm two-piece manhole lifting key set for safely raising and removing manhole covers during inspection or maintenance, suitable for standard recessed cover designs.

These products integrate seamlessly with our wider Civil Drainage Systems range, including chambers, pipes, and fittings for complete below-ground installations.

Selecting the appropriate cover depends on anticipated traffic loading, frame dimensions matching your chamber size, and whether a solid or gratings design suits the drainage requirements. Consider recessed options where visual continuity with surrounding surfaces is important, and always verify load class ratings match the intended installation location.

Why Choose McMahons for Drainage Access Solutions?

With nearly two centuries of experience supplying Ireland's construction industry, McMahons understands the practical demands of civil engineering projects. Our branch teams can advise on correct sizing, load ratings, and compatible components for your Underground Drainage & Ducting installations. For regular drainage and groundworks projects, register for a McMahons trade account to access trade pricing and streamline your ordering process.