MAKE A MEME View Large Image Concrete firestop.jpg Illegal firestop near a cable tray made of common concrete with no testing back-up or certification listing purely as a cost-cutting measure revealing major faults - now hard to fix Own 2007-06-18 Achim Hering ...
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Keywords: Concrete firestop.jpg Illegal firestop near a cable tray made of common concrete with no testing back-up or certification listing purely as a cost-cutting measure revealing major faults - now hard to fix Own 2007-06-18 Achim Hering Firestops Concrete Cement Cable trays Concrete blocks Home-made firestops Building code violations
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