The T11G3 is a 600mm x 450mm recessed manhole cover with a fully galvanised tray and a polypropylene frame. Ideal for internal use, this cover features a factory fitted rubber sealing gasket to prevent any drain odours from escaping from the drainage system. It can also be used externally in pedestrian areas but is not suitable for driveway use. The internal recessed tray depth is 43mm, ideal for concrete or screed infills. The size refers to the clear opening size of 600mm x 450mm. The actual overall size of the cover and frame is 740mm x 590mm x 58mm. There is a moulded grouting flange for easy installation. This cover has a 5 Tonne load rating. This manhole cover with frame is suitable for use on conservatories. The manhole is internally sealed to prevent odours leaking and the cover can be rotated to fit with the design of the surface finish for convenience. Steel construction with a polypropylene frame, load rating of 5 tonnes, integral lifting keys for easy handling, manufactured as a one-piece pressed cover for extra strength, easy installation with provided instructions, moulded grouting flanges, recessed for 43.5mm block paving or slabs, durable construction, 4 locking screws, galvanised to BS EN 1461.