J-Drain 400 RB

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J-Drain 400 RB is identical to the J-Drain 400 series, the only difference is that It has a filter fabric that is specifically designed to be root resistant. It is specifically designed to be used in applications such as green roofs and planters. It is composed of an impermeable polymeric sheet cuspated under heat and pressure to constitute a high flow dimpled drainage core that is then bonded to the root resistant fabric. The fabric prevents roots from growing to the drain core system and affecting the efficiency of the water flow while retaining soil and other aggregates in the system. 


  • Planters
  • Garden Boxes 
  • Green Roofs



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