ATT’s offer includes the production of modular gas-tight manholes, consisting of segments constructed according to customer specifications, taking into account the functionalities resulting from the conditions of use.
- austenitic stainless steel with the markings AISI3014, EN 1.4301 and AISI316L, EN 1.4404
- designed and manufactured according to the customer's guidelines
- easy access to underfloor installations
- isolation against odors
- simple opening system
- high durability