Epro Services, Inc. System III GRB

System III GRB is a field installed composite waterproofing system comprised of a water-based polymer modified asphalt (PMA) membrane with polyester fabric reinforcement laminated to an HDPE and bentonite geomembrane that is protected by a HDPE or polypropylene drainage composite. System Components Ecoline-S: A spray fluid applied, water-based polymer modified asphalt (PMA) membrane. Ecoshield-EB: An HDPE film and bentonite laminate. Ecoshield-HD: an HDPE root barrier. Ecodrain-S or Ecodrain-WR: A polypropylene core and non-woven polypropylene fabric drainage composite or water retention composite.