Fire rated wall penetration

Saturday, July 28, 2018
Concrete masonry is widely specified for fire walls and fire barriers because it is noncombustible, durable and economical. Firestopping must be installed in accordance with code requirements to maintain fire and life safety. Choosing an appropriate firestopping system is a key component to a successful installation. The firestop system must be chosen from a building-official-approved listing service. Alternatively, one of the generic listed materials—concrete, mortar or grout— can be used within the limitations of the code.
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Penetrations in fire rated systems

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USG Design Studio | Wall Penetration - Download Details

Penetrations in fire-rated construction can allow spread of fire and smoke from one firecell to another if they are not correctly tested, specified or installed. It is always recommended to resolve and specify fire rated service penetrations in the design office rather than on-site. For proprietary systems contact the relevant penetration seal supplier. Through penetrations such as metal or plastic pipes, cable trays, ducts, etc. Specific details of systems and required installation details must be obtained from the penetration seal suppliers. Ensure penetration seals are supported by framing around the aperture and not directly by gypsum plasterboard linings. Installation of additional framing members may be required.
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Penetration firestopping systems and fire resistive joint systems are a passive means of fire protection. There is no movement or activation required. These passive systems are mainly used to compartmentalize a fire and keep it from spreading for a period of time long enough that occupants can evacuate the building and so firefighters can perform initial lifesaving tasks.
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