The 防災製品部 of 古河電工パワーシステムズ株式会社, successor to the Furukawa Techno-Material fire-protection business, manufactures the Rokumax wall and floor firestop range for electrical, HVAC and sanitary service penetrations. Products are certified under 国土交通大臣認定 区画貫通部 approvals in the PS060WL- family and additionally carry 日本建築センター 防災評定 numbers in the BCJ-防災 series.