450 x 450mm Manhole Cover for Gravel w/ Built in Gravel Reinforcement - 100mm Recessed Tray grasstop manhole cover Visibly separates contaminated and uncontaminated

Visibly separates contaminated and uncontaminated mineral layers

Erosion control and coastal defences

25m x 100m (225m²) – Half Roll

it’s ideal for installations under trafficked areas

450 x 450mm Manhole Cover for Gravel w/ Built in Gravel Reinforcement - 100mm Recessed Tray grasstop manhole cover Visibly separates contaminated and uncontaminatedThis 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: 450