Firestopping Through-Wall Cable Penetrations

Firestopping of through-wall cable penetrations involves more than simply buying and installing one of the many products available on the market today. A firestopping system encompasses the fire-rated wall, the penetration itself, the cables, the cable tray or conduit that pass through the penetration, and one or more firestopping products. Recent advances in firestopping technology have resulted in systems that demonstrate improved results in standard tests, and that are not dependent on the actions of contractors to ensure performance over the long term. The most effective firestop system is one that both demonstrates a high level of performance as measured by UL testing, and contains integral firestopping material that is not affected in any way by the addition or reduction of cabling.
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