600 x 600mm Sealed Manhole Cover W/ 43.5mm Recessed Tray 220 x 300 This chamber riser is suitable

This chamber riser is suitable for up to 72

Overall Depth: 52mm

Impact-resistant polymer resists breakage

soakaway wrapping

so there is no need to dig a foundation

600 x 600mm Sealed Manhole Cover W/ 43.5mm Recessed Tray 220 x 300 This chamber riser is suitableSealed 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 but a single or double seal is not specified. 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 end