Lightweight Expanded Clay Aggregate - 4mm - 10mm - Bulk Bag
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Details
Lightweight Expanded Clay Aggregate - 4mm - 10mm - Bulk Bag is a lightweight expanded clay aggregate for drainage, lightweight growing media and specialist landscaping uses.
LECA is an inert, porous clay aggregate used where a free-draining, lightweight material is needed, including green roofs, hydroponics, drainage layers and lightweight soil blends.
Best for
- Green roof and planter drainage layers
- Hydroponics and semi-hydro growing systems
- Lightweight soil blends where reduced load is important
- Specialist horticultural or construction drainage applications
Key features
- Size / pack: 4mm, 10mm
- Lightweight and porous expanded clay
- Inert material with neutral pH characteristics
- Helps improve drainage and aeration
- Useful where standard aggregates would be too heavy
Application / installation
- Use as a drainage or lightweight aggregate layer where specified
- Rinse before horticultural use if dust is present
- Do not use as a structural sub-base unless specified by a qualified designer
Things to consider before buying
- Not a substitute for load-bearing hardcore or MOT sub-base
- Does not supply nutrients for plants by itself
- Check project specification carefully for structural or green-roof applications
Technical specification
Ideal for:
- Creating soils for green and lightweight roofs
- PH neutral