Keywords: Caj8073 cp25 tray gap.jpg Fire test preparation leading to UL certification listing C-AJ-8073 for a firestop Own 2007-06-25 Achim Hering Firestops Cable trays Firestop mortar Fire testing Caulking Intumescents CAJ 8073 3M Fire Barrier Mortar CP25 Caulking guns Adhesive and sealant cartridges |