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Keywords: Cambrian college homemade firestop.jpg Fireproofing applied at the wrong time avoiding code compliance with firestops The steel beam is also a penetrant and its transit through this wall needs to be firestopped properly as does the HOW joint none of which happened here at Cambrian College Greater Sudbury Ontario Canada August 2000 Own 2007-07-02 Achim Hering Plaster Fireproofing Firestops Thermal insulation Rockwool Construction materials Electrical conduit Cambrian College |