ISO-Drain® 20

Heavy-duty tunnel drainage bed


Benefits  drain21en
INTERPLAST ISO-DRAIN 20 provides reliable full-surface drainage in tunnels and other underground structures exposed to heavy groundwater flow. Used as a separating layer.


Offers design engineers numerous advantages:

  • excellent drainage capacity
  • controlled redirection of water influx to collection system
  • rugged and durable
  • suitable for use as permanent shuttering

Find more about product on the Estonian data sheet ISO_DRAIN_20.pdf and from our sales representatives.