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Coastal and shore erosion

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Flood hazard

An increased flood hazard because the flood defence does not meet the requirements and/or due to extreme conditions.

Due to external factors, sand from the shore erodes which negatively affects the water safety. When the coastal defenses are weakened due to erosion, measures have to be taken to restore these defenses. Restoring these defenses is normally done by spraying new sand on the shore or reshape the dunes. These traditional measures are costly and time consuming.


Plastic TrapBag

The plastic TrapBag can be used to strengthen dunes or the coast line when a long lifespan is required. The plastic TrapBags are placed and then filled and covered with sand. The expected lifespan of these constructions is a minimum of 80 years.

Kunststof Trapbag


  • Long lifespan
  • Fast installation


  1. Topic Water safety
  2. Development state 9: Successfully used in operational situation
  3. Setting type Coastal area
  4. Water type Sea water