[checkbox roof-materialien use_label_element \\\\\\\\\\\\\\\"Substrat\\\\\\\\\\\\\\\" \\\\\\\\\\\\\\\"Kies 16/32\\\\\\\\\\\\\\\" \\\\\\\\\\\\\\\"Kies 8/16\\\\\\\\\\\\\\\" \\\\\\\\\\\\\\\"Split\\\\\\\\\\\\\\\" \\\\\\\\\\\\\\\"Sonstiges\\\\\\\\\\\\\\\"]