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Dry installation onto gravel or sand is an excellent option where water permeability must be retained and installation of a slab is not an option. This method can be used in both private and public spaces and uses traditional landscape paving methodologies. “It is recommended that you consult with a professional landscaper or engineer to accurately calculate the thickness of the following layers according to the intended use and stressing loads.”

Excavate the area to be paved and level the substrate making sure you leave at least a 2% slope across the area.

  1. Compact the area with a compacter.
  2. Lay a sheet of geotextile across the area.
  3. Lay 40-80mm diameter gravel evenly across the area to a depth of 20-30cm thick.
  4. On top of this lay a further 10-20cm thickness of fine gravel (0-20mm diameter) evenly across the area.
  5.  Compact and level, retaining a gradient of at least 2%.
  6.  A kerb must be fitted around the complete perimeter of the paving to prevent any horizontal movement. This must be concreted in place.
  7. Lay another sheet of geotectile fabric across the area.
  8. Add sand with a particle size of 0-2mm across the area to a depth of 2-5cm.
  9. Compact and level, retaining that 2% gradient.
  10. Place the pavers onto the sand and tap in place with a rubber mallet. Use spacers to get an even gap between the pavers. 4mm is recommended.
  11. You can choose to leave the tile gaps empty or fill with sand, polymer sand or cement sand.

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