• Expanded Clay 0/5

    0-5-Expanded-ClayjpgWeight – 750kg m3 (Approx)
    Suitable for: Lightweight Concrete, lightweight Concrete Bocks, Water Filtration, Horticultural Media

  • Expanded Clay 4/10

    4-10-Expanded-ClayWeight – 430kg m3 (Approx)
    Suitable for: Ornamentation, Green roof systems, lightweight Concrete Blocks, Horticultural Media, Lightweight Concrete, Limecrete Flooring

  • Expanded Clay 0/20

    0-20-Expanded-ClayWeight – 420kg m3 (Approx)
    Suitable for: Lightweight backfill, Road Construction, Geotechnical Fill

  • Expanded Clay 10/20

    0-20-Expanded-ClayWeight – 340kg m3 (Approx)
    Suitable for: Horticultural Media, Green Roof Systems, Water Filtration, Limecrete Flooring, Slurry Tanks


Expanded Clay can be used in number applications and we provide a variety of packaging and delivery options, to cover all projects.

lorry Bulk Bag Delivery 50 Litre Bag

Full Loads (approx 60m3)

1.25m3 Bulk Bags

50 Litre Bags

1. Main Intended Use

Construction Aggregate, geotechnical fill, anti slip additive, green roof substrate, horticultural media, concrete floors

2. Chemical Description

Compound Element Chemical Formula Typical Content
Silicon Dioxide SiO2 60.60%
Aluminium Oxide Al203 18.30%
Ferric Oxide Fe203 8.54%
Magnesium Oxide MgO 3.83%
Potassium Oxide K2O 3.56%
Calcium Oxide CaO 2.18%
Titanium Dioxide TiO2 1.07%
Sodium Oxide Na2O 0.48%
Phosphorous Pentoxide P205 0.18%
Others 0.20%


3. Physical Properties

a)Bulk Density – 0.30 – 0.60 g/m3

b)Melting Point – 1000 °C

c)pH Value – 7.0

d)Thermal Conductivity 0.113 w/mk

Specific Heat 1.25 -1.35 Kj/KgK