Selena is a Wrocław-headquartered construction-chemicals group of around eighteen hundred people and thirty companies in nineteen countries, whose brands include Tytan Professional. In passive fire protection it makes a fire-rated polyurethane foam covered by ITB-KOT-2017/0093, held in the company’s own name, for filling linear joints and gaps between fixed building elements as a firestop linear seal. The group’s wider range covers adhesives, sealants, insulation and waterproofing.