device to prevent and abbot amp; all; tens of vegetation on a thatched roof

摘要

establishmentto prevent and abbot & all; tensof vegetation on a thatched roof (10), on the dachlatten (14)dachabdichtende schilfrohrb & professional; trade(16) are mounted, is characterized by the schilfrohrb & professional; trade (16)plug-in halmelemente (26) in a reaction with precipitationor rainwater prevented a vegetation and vegetation abbot & all; and metal ionsproduce.