Water management is affected by climate change which is bringing about ever more frequent and more intense rainfall, with peak water flows that exceed the capacity of drainage networks and surface watercourses. It is therefore very important to realise flood protection and drainage systems to avoid overflows and flooding of inhabited areas and agricultural zones.
Laterlite Expanded Clay can be used in many of these systems:
- Storm water infiltration chambers – rainwater harvesting
To regularise peak storm water flows, a simple underground accumulation and infiltration chamber can be constructed by burying a volume of expanded clay. More information.
- Drainage trenches
Expanded clay is used trenches in various situations to construct drainage, particularly for stabilising slopes that consist of silty clay material. More information.
- Green roofs
The use of expanded clay in the layers of a correctly designed green roof (consisting of a drainage, a substrate, and a mulching layer) improves plant health and significantly reduces peak water discharge into the public drain during intense rainfall. More information.
- Drainage below playing fields
The use of expanded clay in the drainage systems below playing fields prevents flooding, allows the field to be used in adverse weather conditions, and prevents the ground from settling. More information.
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