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  • LECA® Sand Lightweight Expanded Aggregate
LECA® Sand Lightweight Expanded Aggregate
Product Code: 7888

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Big Bag: £175.20 Inc VAT and delivery

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Big Bag: £175.20 Inc VAT and delivery
Product Information

Pack size: 1.2 cubic metre big bag

Particle size: Approx. 0-5mm.

Density: The dry bulk density of Leca® lightweight expanded clay aggregate is approximately 450kg/m3.
The saturated bulk density is approximately 800kg/3

Typical moisture content: Up to 40% by weight

Description & Application:
Top quality genuine expanded lightweight aggregate manufactured by Leca® . Specifically recommended where a high volume lightweight sand is required. The product can be used for general building with either lime or cement to provide render backing coats. The product is also extensively used in block making and pre-fabricated lightweight concrete manufacture.

The product is suitable in situations where aesthetics are not a prime consideration, in particular, blended with other growing media to improve drainage and provide insulation.

Expanded clay granules are made by pelletising and firing clay in a rotary kiln at a very high temperature. As it is fired, the organic compounds in the clay burn off forcing the pellets to expand and become honeycombed while the outside surface of each granule melts giving a ceramic shell. The resulting granules are lightweight, porous, and have a high resistance to crushing.

Being a natural product expanded clay aggregate contains no harmful substances, it is inert with a neutral pH, The granules are resistant to frost and chemicals, and will not break down in water. They are also non-combustible and have excellent sound and thermal insulation properties.

Particle Size: Typically:
Sieve Size mm % Passing
6.3 100%
4.75 94%
2.36 56%
1.18 43%
0.6 34%
0.075 0.15%
Chemical Composition:
Principal components typically:
SiO2 60%
Al2O3 20%
Fe2O3 8%
K2O 3%
Mg3O 3%




Sands are offered with no recommendation as to suitability for purpose. Please utilise our 20kg pack delivery service for sampling prior to bulk ordering. Being natural products mortar sands are susceptable to variation in colour and form.

Specify: Mortar sand - LECA® - Light weight expanded clay sand - Coarse - from Specialist Aggregates.

Product Code: 7888

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Leca® Sand - Lightweight Expanded Aggregate
Leca® Sand - Lightweight Expanded Aggregate
25ltr
£32.40
Leca® Sand - Lightweight Expanded Clay Aggregate - Collect
Leca® Sand - Lightweight Expanded Clay Aggregate - Collect
50ltr
£15.12
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