Fireproof sealing of cable trays penetrating the ceiling slab
Various types of fire-stopping products can be used for internal and/or external sealing of penetrations, including intumescent mastics/gaskets, pillows, compounds, and metal sleeves. Scope: Firestopping for busway, cable trays, cables, and trunking passing through walls in enclosed electrical installations. According to the test standard EN1366-3 for penetration seals (cable and pipe penetrations) a mixed penetration seal is defined as a penetration seal intended for penetrations where more than one type of service passes through. Fire Rated Gunfoam B1 187 – fire-rated one-component polyurethane gun foam for filling and sealing in places with heightened. Cables are made of copper which will also accelerate the heat transfer through the.
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