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Keywords: Caj8073 fibreglass afterwards.jpg Underside of Assembly for UL certification listing C-AJ-8073 Configuration D the mortar is intact the fibreglass has disappeared and the intumescent wrap strip has occupied the space formerly held by the insulation Own 2007-06-25 Achim Hering Firestops Cable trays Fire testing Concrete Plumbing Cement Thermal insulation Construction materials Fibreglass Intumescents CAJ 8073 FS195 3M Fire Barrier Mortar |