The Swiss company of the German Knauf group, at Reinach BL, holding 41 live VKF recognitions across Untergruppe 234 Unterdecken und Hohlraumschutz (19), 231 Brandschutzplatten (6), 230 Brandschutzbekleidungen (5), 239 Brandschutzsysteme für Betonbauteile (5), 232 Bekleidungen (4) and 237 Verputze (2). Between Knauf, Rigips and James Hardie, three board houses hold 127 of Switzerland’s passive approvals — the board tier is where Swiss compartmentation is concentrated.