450mm Manhole Cover for Gravel w/ Built in Gravel Reinforcement - 80mm Recessed Tray

This line of bespoke gravel manhole covers are discrete, making them an excellent choice for domestic and industrial projects. They are perfect for both driveways and walkways, for use with gravel are easy to fit with instant functionality and aesthetic. They are manufactured with a porous base material which allows for drainage, and the EcoGrid system stabilises the gravel to limit movement and keep it within the tray. 

Measurements 

Clear Opening: 450mm diameter
Inset in Tray: 80mm
Overall Frame Size: 580 x 580mm
Overall Depth: 88mm; not including adaptor

Tech Spec

• Fits square or round chambers, eliminating the need to cut the paving into circular shapes
• Integral lifting keys to lift the tray as required, once the safety screws are loosened
• Suitable for areas of light vehicular traffic
• Polypropylene, black plastic frame with a mild galvanised steel tray
• Mild Steel to BS EN 1449:1991/EN 10025:2004
• Galvanising to BS EN 1461:2009
• Polypropylene Grade AP9
• FACTA clauses 7.0, 7.2, 7.2.1, 7.2.3 & 7.3.3