The use of Laterlite Expanded Clay or its hydrophobic variant Laterlite Plus as fill for below-ground pipework or incorporated into engineered structures (bridges, tunnels, etc.) offers the following technical and practical advantages:
For these applications the expanded clay is usually laid loose, although to meet specific strength or cohesion requirements it can be bound with cement to create a pervious draining concrete (Latermix Cem Classic and Maxi).