PERMA-PIPE'S prefabricated steel manholes reduce installation and maintenance cost over traditional concrete manholes. They are fully assembled and tested with all internal pipe and valves as required.
Each prefabricated steel manhole is designed to eliminate the problems associated with typical concrete manholes while reducing installation and maintenance cost. They are fully assembled and tested with all internal pipe, valves and insulation factory installed. The manholes can be sized for all piping applications and pipe sizes. PERMA-PIPE's manholes provide a dry environment for the internal pipes while keeping your maintenance cost under control.