Infiltration Tunnel

• The Graf Infiltration Tunnel has been mainly designed for the use in private and rural areas
• The system consists of one or several tunnel modules and two end plates. The system can be extended at will to any length
• 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