Expanded Clay Aggregate KERAMZYT Grade 4-8mm 25L – Home DIY Accessory UK

This Expanded Clay Aggregate KERAMZYT Grade 4-8mm 25L offers a lightweight, porous solution for drainage improvement, soil aeration and thermal insulation projects. The 4-8mm particle size provides optimal performance for both horticultural and construction DIY tasks across UK homes and gardens.

Key Features

• Grade 4-8mm expanded clay aggregate for controlled particle size
• 25-litre bag quantity for medium-scale domestic projects
• Lightweight porous structure reduces overall substrate weight
• KERAMZYT specification for consistent quality and performance
• Suitable for drainage layers, soil conditioning and insulation applications

Ideal Uses

• Creating drainage layers in planters, raised beds and container gardens
• Improving soil aeration and preventing waterlogging in heavy clay soils
• Lightweight aggregate for green roof substrates and rooftop gardens
• Thermal and acoustic insulation fill for floor and wall cavity projects
• Hydroponic growing media component for improved root oxygenation

Product Details

SKU: CLAY4-8-025-JK | Aggregate Grade: 4-8mm | Bag Size: 25L | Material: Expanded Clay | Delivery: Free UK delivery