Firestop pillows, plugs, sheets, and wraps fit around ducts, cable trays, and pipe openings in walls, ceilings, and floors to prevent fire from moving to an adjoining space. They're often used with fire barrier caulks and putties to complete the seal. These systems prevent fire and smoke from spreading through open cable pathways, maintaining circuit integrity and code. Effective protection of cable systems around the world: our tried-and-tested FLAMMOTECT-A and DG-CR 0. 7 products are successfully used to protect cables in high-rise buildings, industrial buildings, and offshore facilities as well as in sensitive areas, such as hospitals, airports, production. SLIPSIL Sealing Plugs are an ideal solution for the fire-safe, gas and / or watertight sealing of penetrations carrying single or multiple pipes. Firestop pillows fit around irregularly shaped. The following charts give the number of 3M pillows needed to completely firestop an opening that cable tray passes through. UL Listed Systems Concrete Wall - C-AJ-4056 3 HR F-Rating, 3/4 HR T-Rating Gypsum. Basor Electric, sensitive to the need to minimize the consequences of a fire, has subjected its cable trays to rigorous fire resistance tests to ensure the behavior of its products. In the event of a fire, it is necessary to maintain the functionality of certain electrical installations, such as.