Argex Expanded Clay Aggregate - 50 Litre Pack (LECA Clay Balls)

Argex expanded clay aggregate, also known as LECA (Lightweight Expanded Clay Aggregate), is a premium lightweight spherical aggregate perfect for horticultural, construction, and insulation applications.

Key Product Features

• Pack Size: 50 litres (approx. 15kg) - 3x the volume of standard aggregates
• Granule Size: 10-16mm terracotta clay balls
• Coverage: 1m² at 50mm depth per pack
• Density: 280 kg/m³ (lightweight)
• Standard: Conforms to BS EN 13055
• pH: Neutral - ideal for plants

Applications for Argex Expanded Clay

Horticultural Uses:

• Hydroponics and hydro-culture substrate
• Drainage improvement in potting mixes
• Decorative plant toppings and mulch
• Root insulation from frost

Construction Applications:

• Floor levelling and insulation
• Lightweight concrete blocks
• Green roof substrates
• Flat and inclined roof insulation
• Geotechnical backfill
• Basement wall pressure reduction

Why Choose Argex LECA Clay Balls?

• Lightweight: Easy handling at only 15kg per 50L pack
• Excellent Drainage: Prevents waterlogging and moisture infiltration
• Thermal Insulation: Superior insulation properties
• Frost Resistant: Won't break down in freezing conditions
• Non-Combustible: Fire-safe material
• Chemical Resistant: Inert ceramic material
• Sound Insulation: Excellent acoustic properties

Technical Specifications