Leca is initial letters for : Light Expanded Clay Aggregate.
Leca consists of small, lightweight, bloated particles of burnt clay.The thousands of small, air-filled cavities give Leca its strength and thermal insulation properties.
The base material is plastic clay which is extensively pretreated and then heated and expanded in a rotary kiln. Finally, the product is burned at 1100 °C to form the finished Leca product.
Entirely Natural Product
Leca is an environment-friendly, entirely natural product incorporating the same benefits as tile in brick form Leca is indestructible, non-combustible, and impervious to attack by dry-rot, wet-rot and insects.
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