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Leca® 10-20mm Lightweight Expanded Clay Aggregate - Collect
Product Code: 7892

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 Collection:   £16.20 Inc VAT, but excluding delivery 

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Product Information

This product is available to order for collection, for delivered prices click here.

Pack Size: - 50 ltrs, Approximately 15kg

Granule Size: Approx. 10-20mm.

Density: LECA® is a super-light-weight aggregate with a dry bulk density of approximately 280 kg/m3.

Typical Moisture Content:
When saturated for at least 24 hours, 10-20mm LECA® is likely to absorb approximately 30% by weight of water with a resultant bulk density in the order of 500kg/m Our products are generally supplied in a dry state, however, please specify at the point of ordering if this is important to your application.

Description:
This is a genuine and original premium LECA® product manufactured by Saint Gobain and distributed in the UK by Specialist Aggregates. This 25ltr pack is offered for small projects, trial and research purposes.

Application & Use:
Top quality clean general purpose expanded lightweight clay with a minimum of fines. The product is a dark brown colour and offered for use in situations where aesthetics are not a prime consideration, in particular:

As a substrate in hydroculture / hydroponics, and blended with other growing media to improve drainage and provide insulation.

Green Roofs: The web contains advice on many and often contradictory methods for producing green roofs. Nevertheless our 10-20mm Leca® provides the definitive product for bottom and peripheral drainage. To create lightweight soils we would recommend our 4-10mm grade Leca®.

As a mass backfill to structures, especially for situations with restricted access, and for providing lightweight fill to planters .

Expanded clay granules are made by firing selected clays 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 fuses to give 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 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, further they can be used with cement to make a lightweight concrete mix suitable for fake rocks, theatre props and lightweight repairs.

Particle Size:
Typically:
Sieve Size mm % Passing
20 100%
14 74%
10 17%
8.0 3%
0.25 1%
Chemical Composition:
Principal components typically:
Chloride 0.04%
Acid Soluable sulphate 0.5%



Compaction: Typically the product is likely to compact by 8-12% from its delivered un-compacted state to a long term compacted state above the water table.

Specify: 10-20mm Leca from Specialist Aggregates.

Product Code: 7892
Collection Reference: For orders placed online you will be advised by e-mail your collection reference. For collection orders placed by telephone (01 889 580660) our staff will be able to provide an immediate collection reference.

Collection is from: Unit 5 Rydal Estate Colton Road Rugeley, Staffs WS15 3HF

Collection times: Monday to Friday 10.00 am to 12.30pm – 2.00 pm to 4.30 pm. Price quoted relates to personal collection only. Extra-over charge for collection by customer arranged courier £15.60 per pack (inc VAT)
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Leca® 10-20mm Wiki

Leca® 10-20mm Wiki

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Alternative Volumes 
Leca® 10-20mm Lightweight Expanded Clay Aggregate
Leca® 10-20mm Lightweight Expanded Clay Aggregate
Multi Pack
£125.80
Leca® 10-20mm Lightweight Expanded Clay Aggregate
Leca® 10-20mm Lightweight Expanded Clay Aggregate
25ltr
£32.40
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