Hilti CP 653 Speed Sleeve vs. Competitive Firestop Device video
The demonstration you are about to see represents a common wall application. These firestop devices are not intended to provide a hermetic seal.
Some smoke leakage may occur. The amount of smoke leakage may vary with different numbers, sizes and types of penetrating items introduced. Refer to the applicable UL listings for further information.
The devices shown were installed in accordance with the manufactures published recommendations. No alterations to either device have been made.
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