Cork Granules 1kg (5L)

1kg Natural Cork Granules - Approx. 5 Litres (2-5 mm)

Our natural cork granules are sustainably sourced from cork oak trees and processed to provide a clean, high-quality, medium-density material suitable for a wide variety of practical and creative applications.

Key Characteristics

• Natural (non-expanded) cork
• Approx. 5 litres per kg (medium-density)
• 2-5mm grain size

Benefits

• Lightweight yet stable - easy to handle, pour, layer or blend depending on the application.
• Excellent natural insulation - cork provides effective thermal and acoustic properties in a wide range of environments.
• Moisture-resistant & breathable - helps maintain healthy airflow while resisting mould, rot and decay.
• Clean, safe and low-dust - suitable for indoor use, craft work and animal habitats.
• Long-lasting & reusable - durable granules that hold their shape and can be repurposed over time.
• Sustainable - made from renewable cork oak bark with minimal environmental impact.

Applications:

• Terrariums & Habitats: Natural substrate for reptiles, amphibians and bioactive setups.
• Gardening & Interiors: Ideal for planter toppers, mulching and natural decorative finishes.
  Construction & DIY: Suitable for lime-cork mixes, breathable coatings and acoustic layers.
• Crafts & Model Making: Adds realistic texture to dioramas, scenery and creative projects.
• Practical Filling: Useful as an eco-friendly loose-fill, void fill and lightweight backfill material.

Natural vs Expanded Cork

Our granules are natural cork, not expanded cork. Natural cork is denser, stronger and far more versatile. It holds its shape, doesn’t break down easily, and provides a stable, consistent material for substrates, mixes, fillers and craft use. 

Available in kg bags, with larger trade and pallet quantities available on request. 

All orders are supplied directly from our UK warehouse for fast, reliable delivery.