Material Issue Specifications

Porous Concrete Pavers

Note: This specification guide is excerpted from Uni-Group USAs guide. This section is intended only to give an insight into items to include when developing a scope of work for a project.

Pavers

  • Specify if to be mechanically or manually laid. (Mechanically laid pavers have a spacer bar)
  • Specify manufacturer, name, address, phone
  • Specify paver model to be used, product name an dimensions including thickness, color (s) or blends available locally

Bedding & Joint Sand

  • Screenings and stone dust can be unevenly graded and have material passing No. 200 sieve and should NOT be used. Do not use masonry sand.
  • For vehicular traffic pavements, use sands that are as hard as practically possible.
  • Contact the paver manufacturer for information on bedding sand durability.
  • Sieve according to ASTM C136
  • Joint sand should not be used for bedding sand

Edge Restraints

  • A wide variety of edge restraints are available and range from timber to plastic to concrete to steel or aluminum as well as cut stone
  • Specify type, manufacturer (if applicable) and standards.

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