About us

#1 supplier of Expanded Clay Lightweight Aggregate in Europe for your infrastructure, housing and water management projects.

Who are LECA?
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Geotechnical Solutions

Leca® LWA is used extensively as a lightweight aggregate for civil engineering and structural applications. Through promotion and specification, our client base is continually finding further solutions and interesting uses for this special lightweight aggregate.
Housing

Housing

Civils & Infrastructure

Civils & Infrastructure

Water Management and Reducing Gas Emissions

Water Management and Reducing Gas Emissions

    Applications

    Leca® LWA is used extensively as a lightweight aggregate for civil engineering and structural applications. Through promotion and specification, our client base is continually finding further solutions and interesting uses for this special lightweight aggregate.

     

    Reducing Settlement with Groundwork Issues

    The ability to reduce settlement of an embankment when incorporating Leca® LWA can offer huge ben

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    Load compensation

    In areas prone to mining subsidence or where ground conditions contain natural sub-formation void

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    Case studies

    We have a history in specification and geotechnical design. See our case studies to see where LECA LWA has been successfully applied throughout the UK.

    WEST COAST MAINLINE | MILTON KEYNES TO BLETCHLEY

    One of the first major Network Rail Projects to utilise the benefits of Leca® LWA under track was in 2007 on the West Coast Mainline between Milton Keynes and Bletchley, where in excess of 2000m³ was used to lighten the load on the rail
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    West Coast Mainline | Milton Keynes to Bletchley
    UNDERTRACK PNEUMATIC DELIVERY FOR CYCLE PATH DEVELOPMENT | BATHGATE RAIL STATION

    UNDERTRACK PNEUMATIC DELIVERY FOR CYCLE PATH DEVELOPMENT | BATHGATE RAIL STATION

    Over 1800m3 of LECA® Lightweight Aggregate (LWA) was installed for the Whiteside Overbridge for the Aidrie-Bathgate railway line – linking Edinburgh to Glasgow.
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    Sustainability

    Our intermediate commitment is reducing the greenhouse gas emissions by 30% in 2025 followed by 50% reduction by 2030, achieving Carbon Neutrality by 2050. For that LECA will invest in clean processes, substituting the consumption of fossil fuels with green energy. To bring to You and to the Planet an even more sustainable product.

    Our Sustainability Story
    Saint-Gobain