Porous Asphalt
Click the links for more information: Pictures | Video | Porous asphalt reduces impervious areas, recharges groundwater, improves water quality and eliminates the need for detention basins and sand filters. It also provides a useful purpose besides storm water management and can save you up to 30 percent on your site construction cost.

Design

Design

  • No-woven fabric
  • 18″ to 24″ of clean stone
  • 4″ to 6″ of porous asphalt
  • Rock depth depends on storage needed
Construct

Construct

  • Shorter construction cycle
  • Do not compact subgrade
  • Static drum roll asphalt to maintain voids
Save

Save

  • Reduction in MSD storm water run-off charges
  • Reduce or eliminate: detention/retention systems, concrete curbs,
    storm drains, rain gardens
  • Costs less to maintain (less snow removal, no seal coating, fewer repairs)
  • Typical lifespan of over 20 years
  • Qualify for LEED credits
Maintain

Maintain

  • Vacuum sweep twice per year
  • No seal coat
  • Less salt needed during snow

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