LECA | Lightweight Expanded Clay Aggregate

Civils & Infrastructure

Products

Calculators

Sustainability

Get a quote

Leca lightweight fill

LECA® LWA is a Technically Proven Groundworks Solution

Civils & Infrastructure

The Application of LECA® Lightweight Fill within Highway development

CPD Webinar:

Register Now

Multi Disciplinary Engineering

Discover Where LECA® Lightweight Fill Has Been Applied

Case Studies

Leca lightweight fill

Civils & Infrastructure

Civils & Infrastructure

Delivery Methods for LECA Lightweight FIll

Delivering LECA® Lightweight FIll

Delivery Methods

Sustainability with LECA

Read Our Sustainable Story

sustainablility

Our Mission is to Reduce Green House Gas Emissions by 50% by 2050

Read Our Sustainability Commitment

NEWS

THE EDINBURGH TRAM DEVELOPMENT

THE CONTINUATION OF THE EDINBURGH TRAM DEVELOPMENT

Over 11,000m3 of LECA® LWA is currently being installed for the continuation of the existing Edinburgh Tram Network, which has been developed by the the City of Edinburgh Council to provide a susta

LECA® LWA specified as a backfill solution against abutment walls of a new pumping station in South Yorkshire

Over 1300m3 of LECA® LWA has been specified as a lightweight backfill solution against abutment walls of a new pumping station in South Yorkshire.

PRESTON WESTERN DISTRIBUTOR ROAD (PWDR) PROJECT

LECA® lightweight fill is currently being installed for the Lea Viaduct section of the new Preston Western Distributor Road (PWDR) project.

About us

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

Who are LECA?

alternative text image

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

Civils & Infrastructure

Civils & Infrastructure

Water Management and Reducing Gas Emissions

Water Management and Reducing Gas Emissions

LECA Products

Leca® Insufill Underfloor Insulation (50L Bags)

Leca® Aerotop Lagoon Fill (Waste Emission Removal)

Leca® Lightweight Aggregate 10mm - 20mm (Geotechnical Application)

Leca® Flower Soil Replacement (10L and 50L bags)

Leca® Chimney and Flue Fill (50L Bags)

Get a Quote

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

Load compensation

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

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.

LECA LIGHTWEIGHT FILL SPECIFIED FOR A RETAINING WALL OVER DELICATE GROUNDWORK CONDITIONS IN BRISTOL

LECA LWA was recently specified for a retaining wall development on Bath Road, Bristol. This project was a new development on the site of a former petrol station.

More info

retaining wall development

CRAVEN COTTAGE (FULHAM FC) - PITCH SIDE DRAINAGE

CRAVEN COTTAGE (FULHAM FC) - PITCH SIDE DRAINAGE

For a new pitch side drainage development at Fulham FC’s home ground Craven Cottage in London.

More info

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