Sealing of cable trays and trunking through walls
Service penetration seals are passive fire protection systems designed to maintain the fire resistance of building element or section - wall or floor - where services such as cables, cable trays, pipes or ventilation ducts pass through them. 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. ings, floors, or walls made from block, brick, or concrete, and hollow plasterboard floors and walls. They are lexible, allowing contraction and expansion of water pipes, and give protection from corrosio caused by close contact with cement, cement blocks, plaster, and other corrosive building.
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