Vegetative roofing system comprising non-metal roof coverings, non-metal roof flashing, asphalt roof coatings, rubberized asphalt primer, non-metal water retention and drainage boards for construction, polymeric roofing membranes, roofing insulation of polyurethane film, root barrier sheets of plastic for construction, filters made of textile for filtering water, live plants, and vegetative growing media for plants
Nonmetallic Building Materialsinstallation and maintenance of the structural building components of vegetative roof systems, and consulting pertaining thereto
Building Construction and Repair