An Introduction to Permeable or Pervious Pavers


What Are Permeable Pavers?

Permeable Pavers are a paving alternative to more traditional types of hardscape flooring materials, where water is allowed to filter through the surface to the underlying soils. Traditional pavers do not allow much water to infiltrate particularly if they are mortared in place. Water would normally hit the surface and then flow down to the nearest drainage channel, and become storm water runoff.

Permeable Pavers

If we use Permeable Pavers we will be preserving the quality of our water, and also increasing the quantity of good quality water. Storm water brings with it pollutants, chemicals, fertilizers, sediment and oils, destroying the quality of water flowing into the catchment areas. They permit rainwater to be absorbed by the ground underneath, while still managing to provide a stable enough surface for vehicles.

Permeable Pavers Materials Selection

Permeable Pavers

Permeable Pavers can be made from many different types of materials. There is Grass Pavers, which are normally comprised of a plastic or concrete grid system, which is then filled with gravel; mulches or vegetation can be planted in the voids. They allow water to seep into the holes and thus into the ground, providing necessary nutrients and minerals for the soil and plant life.

Another material used for Permeable Paving is Porous Concrete. It is simply a special mix of concrete that comes out with pores or small holes in it, which is where the water can filter through.

Interlocking Concrete Pavers are another very popular Permeable Paver, used in the building and construction industry. It is made up of grid-like concrete pavers that interlock to provide a string surface. They are also filled with any type of pervious material that is best for any particular application.

The Advantages of Using Permeable Pavers

  • Increases the water quality
  • Increases the quantity of quality water
  • Reduces installation costs of drainage system
  • Reduces storm water runoff
  • Reduces flooding
  • Reduces erosion caused by flooding
  • Preserves our stream beds and river banks
Close up of pavers

The Applications of Permeable Pavers

  • Commercial and residential driveways
  • Public parking lots
  • Emergency vehicles access lanes
  • Fire lanes
  • Pedestrian paths
  • Landscaping techniques
  • Soil reinforcement and stabilization
  • Irrigation techniques
  • Increases storm water storage
  • Promotes groundwater recharge
  • Can sustain heavy loads
Grass Pavers