Price includes VAT and delivery.
Pack size: 12 x 50 ltrs.One bag will cover approximately 1 Sqm at 50mm depth.
Clay size: Approx. 8-12mm
Density:The dry density of lightweight expanded clay aggregates is approximately 350 kg/m3.
For prices of 24,(½ pallet) & 50 packs ( Full pallet ) see dropdown and select before proceeding to checkout.
The product is held as a stock item and generally will be delivered within 3-4 days of order.
Your Delivery: Your delivery will be on a pallet which will be off-loaded from the lorry using a manual pallet truck. For further details see "Delivery" in our Information Menu or contact our office if you have specific requirements or concerns.
Expanded clay granules, generally known as LECA (acronym of lightweight expanded clay aggregate), are granules of fired clay, used in construction and horticulture.
LECA is 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 LECA 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.
Applications:
Horticulture
Expanded clay pellets are pH neurtral, and are porous, yet have the ability to store water. The gaps between the pellets provide good aeration for root systems.
By virtue of being lighter than normal aggregates clay granules are easier to transport and handle and are frequently used by sports and recreation contractors for drainage and back-filling to concrete structures.
Expanded clay pellets are used as a substrate in hydroculture / hydroponics, and blended with other growing media to improve drainage insulate roots from frost. They can also be spread as a top dressing (mulch) around plants to retain moisture and help prevent weed growth.
Filtration and purification of wastewater and water for fish farms.
Insulation especially under flooring on roofs in particular for "Green Roofing Systems".
Heat proofing in kilns, stoves and ovens.
As a component in lightweight concrete. and as a backfill to structures.
Specify:Lightweight clay granules from Specialist Aggregates or similar approved.
Product Code:7892
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Individual Packs
See products for pack sizes. |
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Pallet Deliveries
Convieniently packed for ease of movement. See products for pack and pallet sizes. |
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Rockery Stone Deliveries
Caged stone delivery, packing may vary. |
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Bulk Loads
Crane off-loaded big bags - Minimum order 6 big bags. |
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