The term"Nodig Systems" stands for innovative products for the trenchless installation and replacement of pipes.The best known and most successful products worldwide are the GRUNDOMAT soil displacement hammers, the GRUNDORAM steel pipe ramming machines, the GRUNDODRILL steerable boring systemsand the GRUNDOBURST rigs for the renewal of existing sewer pipes.

The pneumatically driven soil displacement hammer creates a channel ready for pulling in short or long pipes made of plastic (PE, PVC or PE-X) up to ND 160, but also any type of cable in lengths up to 25 m (depending on the soil quality), either simultaneously or in a second working step. That way crossings underneath traffic routes as well as house service connections for gas water, etc. can be produced right on target and completely without trenches.GRUNDOMAT is available in the proven P version with stepped head and the new N version with crowned head and two forward gears.