Round to Square Manhole Cover & Frame | A15 (320mm / 450mm)

These round to square manhole covers and frames are made for inspection chamber access in pedestrian areas, giving a neat square finish while matching a circular opening. Rated A15 (pedestrian duty), they’re suitable for patios, footpaths, gardens and other domestic areas where light loads are expected.

The lift-out cover allows straightforward access for maintenance, while the square frame helps it sit cleanly within paving or concrete surrounds for a tidy, professional finish. Choose the size variant that matches your chamber opening: 320mm or 450mm.

• Load class: A15 (pedestrian duty / 15kN)

• Material: Polypropylene (PP), black

• Clear opening: 450mm dia

• Overall size (square): 570mm x 570mm 

• Frame depth: 32mm

• Overall depth: 46mm

• Weight: 3.8kg