CONTECH ® C-DRAIN Prefabricated Drainage Mat

Kam Tin Bypass


  • C-Drain acts as a protection layer for waterproofing membrane on podium, roof and planter
  • C-Drain core is made by Polystyrene which is a very strong chemical
  • C-Drain is thin and lightweight, yet the water flow capacity is extremely high
  • C-Drain has a special model for planter drainage that the dimples can retain planter water and keep te moisture of soil


C-Drain can be used to replace the traditional drainage aggregates in different applications such as:

  • Residential / Commercial - basements, podium / roof decks
  • Landscaping - planters / sport grounds
  • Civil Engineering - retaining walls / slopes / embankments