• Length 90cm
  • Width 15cm, 20cm and 30cm variations
  • Thickness 7.5cm

The 30cm (300mm) width is the widest Grodan rockwool slab size available. Grodan rockwool slabs are made to high standards and also created sustainably. 15cm and 20cm widths are also available. Rockwool slabs may be used for:

  • Raising seeds and growing cuttings
  • Re-planting from Rockwool cubes
  • Vertical wall gardens

Click here to read our handy guide on raising seeds with rockwool.


SKU AG1706
Brand Grodan
Type Rockwool


View PDF brochure for Grodan Rockwool Slab 70mm Thick

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