600 x 450mm Sealed Manhole Cover W/ 43.5mm Recessed Tray 450 x 450 grasstop manhole cover it works with both woven

it works with both woven and non-woven membranes

Designed for separation

Weed control and mulch fabrics

Colour: White

600 x 450mm Sealed Manhole Cover W/ 43.5mm Recessed Tray 450 x 450 grasstop manhole cover it works with both wovenSealed and Locking Manhole Covers are the new equivalent to double sealed. As per the Building Regulations 2000, internal manhole covers have to be air tight which is achieved with a sealed and locking cover. All of our recessed T Range covers feature a rubber gasket seal and a locking function. Common applications for Sealed and Locking Covers are internal rooms, tiled floors, patios, playgrounds and suchlike. In many circumstances, especially high