What is leca?

LECA stands for Lightweight Expanded Clay Aggregate. It is a type of lightweight aggregate that is commonly used in construction and gardening applications. LECA is manufactured by heating clay to very high temperatures, which causes it to expand and form small, lightweight balls. These balls are then coated with a thin layer of cement, which provides additional strength and durability.

LECA has many advantages over traditional aggregates, such as its lightweight, high insulating properties, and ability to absorb and release moisture. It is also reusable and has a long lifespan.

LECA is commonly used in the construction of lightweight concrete structures, as well as in horticulture and gardening as a lightweight soil amendment. It can be used as a growing medium for plants, as it provides excellent drainage and aeration for root systems.

Overall, LECA is a versatile and eco-friendly material that has many practical uses.