ATT Manhole Cover with gas lifters - square shape and checker plate

Standard gas-tight manholes consist of an upper and a lower part, a screw fastening ensuring a secure and stable closure and reinforcement made of „black steel”. They are equipped with an O-ring seal between two parts of the hatch.Manhole covers are available in various options and sizes. They are widely used in industrial and public facilities. In shops, exhibition halls, restaurants, workshops, warehouses, and other places where access to underfloor installations is required.

The basic filling of the manhole cover is concrete class C35/C45 and a smooth or corrugated steel plate. Alternatively it can be filled with floor tiles, resin, paving stones etc.

ADVNATAGES

- easy access to underfloor installations

- isolation against odours

- gas- and waterproof

- simple opening system

- high durability

- aesthetically appealing

ATT offers standard and customized single-plate or modular manhole covers.