Stagnant, dammed-up and seepage water in the soil poses a threat to basement walls. The FRÄNKISCHE opti-drän system ensures permanent and reliable building drainage according to DIN 4095. Perfectly matching components offer the ideal solution for each installation.
The practice-proven system consists of
- opti-drän straight length drainage pipe
- opti-control flushing and inspection shaft
- opti-flor filter fabric