Porous tarmac system: How does TarmacDry work?

Back

TarmacDry porous asphalt system can be specified in one of two ways:

1. Infiltration 
   Lets rainwater through.
2. Attenuation
   Stores rainwater for re-use.

 

Infiltration - Lets rainwater through

This option allows the water to pass through the asphalt.

The TarmacDry porous asphalt system captures the water and allows it to sit within the system.  It is then slowly released into the sub-grade.

 

Attenuation - Stores rainwater for re-use

This is a tanked system to store the water.

The water goes through the TarmacDry porous asphalt layers and allows the water to slowly flow into a tank through a series of drainage channels.  The tank allows the water to be re-used in the buildings nearby.  In the case of the tank reaching full capacity, there is an outlet system where the water can flow out into the natural watercourses.

 

Removes silt and debris

As water passes through the TarmacDry system any silt and debris is removed.  See more benefits in TarmacDry benefits.

Back