Space-saving and cost-efficient. Specifically designed for use in private and rural areas.
- The Graf infiltration tunnel has been mainly designed for the use in private and rural areas
- The system which consists of one or several tunnel modules and two end plates can be extended at will
- The laying is realized in one or more lines of the same level
- As the weight of one module is only 11 kilos, the handling of the infiltration tunnel is excellent
- The surface beyond the tunnels is lorry-bearing which offers versatile possibilities
- The infiltration tunnel can be loaded permanently up to 59kN/sqm and thus is also suitable for lorry-bearing
- 5 years warranty