Drainage Composite 3811R

Drainage Composite 3811R is a prefabricated drainage composite

Drainage Composite 3811R is a high quality prefabricated drainage composite designed to protect the waterproofing membrane and provide continuous free flow of water in horizontal applications such as green roofs, plaza decks, planters and earth sheltered structures.

  • Excellent resistance to biological and chemical degradation
  • Ideal for soil environments
  • Compatible with electronic leak detection systems.