Metacaulk 4" Cast In Place (case of 6)

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Metacaulk Cast-In-Place firestop devices are designed for use in poured concrete floors to form a through-penetration firestop system. These devices are installed prior to pouring concrete. They provide a firestopped opening which allows a variety of materials to pass through, such as plastic, metal and insulated pipes, as well as cable and wire bundles.Each sleeve comes complete with a cap and integrated rubber membrane. A unique oval design allows three penetrations through a single hole. Can be used for hot, cold and drain pipes in one opening.