Fireproof sealing of cable tray openings
To guarantee the cable penetration's fire resistance, thermal and sound insulation, the opening around the cable penetration must be filled with fireproof construction foam. Scope: Firestopping for busway, cable trays, cables, and trunking passing through walls in enclosed electrical installations. * Two (2) sticks of moldable putty (part number FSP-MPS) are also needed for each opening. UL Listed Systems Concrete Wall - C-AJ-4056 3 HR F-Rating, 3/4 HR T-Rating Gypsum. These systems prevent fire and smoke from spreading through open cable pathways, maintaining circuit integrity and code.
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