Rudde Dakbedekking building roofs for industrie of utility. All kind, for example green roofs, parking roofs and energy roofs. making roofs in the Netherlands, Germany, Belgium and England. ( www.rudde.nl) Folion Kunststof Producten diliverys folie materials for roofers, builders and distrubitors. ( www.folion.eu) Spacedak is an light roofs with to 10 x better sound reduce, great distance with steelconstruction. For the Netherlands, Germany, Belgium an England ( www.spacedak.eu)