High performance core eliminates build-up of hydrostatic pressure within piled structures


Piledrain is designed as an effective solution to the treatment of joints between contiguous and secant bored concrete piles in basement and retaining wall construction.


  • Drainage of contiguous and secant piled walls


  • Robust
  • Lightweight
  • Easy to install
  • Non-clogging
  • Eliminates hydrostatic pressure

Using Piledrain  in retaining walls eliminates the build up of hydrostatic pressure within the structure. Piledrain drainage composite can be used as replacement for a no-fines concrete layer or be used in addition to, for added security. 

Piledrain is robust and lightweight and is easily installed in both vertical and horizontal applications; the geotextile fabric acts as a filtering and restraining medium to allow the flow of water into the three dimensional core and then on to the outlet drain. 


Structural Drainage, A19 / A1058 Interchange, Newcast UK

In basement constructions Piledrain gives added security to BS8102 Grade 1 & 2 basements. Piledrain can be cast into the final concrete face or alternatively sprayed concrete can be applied on to the surface to create the final finish. 

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