Firestoping is the mobility restriction of flame, smoke and gases within a building, with concern for life and safety. It is the installation of fire-restrictive materials, systems and assemblies around and/or directly to through penetrations, construction joints or floor perimeter/slab edge conditions in order to maintain the fire resistance of rated building construction.
A firestop system is composed of materials used to create a firestop assembly capable of preventing the spread of heat, fire, gases or smoke through an opening in a wall or floor. The three major areas on a jobsite that are typically firestopped are through penetrations (commonly known as pipe firestopping), joint systems (commonly known as top of wall) and perimeter fire containment systems (commonly known as edge of slab or curtain wall firestopping).
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