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  • Compacting the excavated subgrade soil before any additional base material will increase the density and load bearing capacity of the soil.
  • The excavated area should be a minimum of 6”greater in size than the finished paver area to ensure effective drainage and proper stability of the edge restraint.
  • Filter fabric should in certain circumstances be used between the subgrade soil and granular base course to help eliminate any potential mixing of base material into the subgrade soil.
  • The base course should be a sand-based stone aggregate which will not absorb or hold water. This will prevent any potential deformation and/or heaving of the paved surface during freeze & thaw cycles.
  • The base course should be installed deep enough to support the maximum load that will be placed on the paved surface
  • Vehicular Areas: 8” – 12”
  • Pedestrian Areas: 4” – 6”
  • The base course should be compacted in “lifts” to create proper density. Compact the “lifts” in 2” – 3” layers as opposed to compacting the entire depth at once.
  • The last remaining layer should consist of course bedding sand no greater than 1”.
  • Edge restraint is typically available in a variety of lengths and material types and should be used to restrain the pavers and sand.
  • Polymeric jointing sand is used to fill in the joints between the pavers. Water is added in order to activate the bonding agent within the sand to bind together the pavers.
  • Pavers should never be sealed immediately. It is recommended to wait at least 4 – 6 months after installation before sealing.


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