Umbrella Drainage System

Umbrella/Drainage System - Mined Tunnel

For partial waterproofing the most common tunnel application is the Umbrella System/Drainage System. This system is specifically designed for tunnels with dripping water conditions.

Examples of Application:

• Road Tunnels
• Railway Tunnels

System description:

• Protan Disc
• In-Situ concrete
• Protan InfraPlan Tunnel Membrane
• Protan Geo (Geotextile)
• Shotcrete
• Protan Drain (Drainage Profile)

Protan recommends to use InfraPlan P20, P22 or P22+ for drainage applications.