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The STI SpecSeal SSW Wrap Strip is an ideal solution for firestopping plastic pipe penetrations in buildings. Made from high-quality materials, these wraps are available in a variety of sizes to accommodate different pipe diameters and can be easily installed to minimize waste. The unique ability to collapse nonmetallic piping up to 12 inches in diameter when used with restraining steel ensures maximum fire resistance and protection against the spread of flames, smoke, and dangerous gases. With its versatile applications and exceptional benefits, this firestop wrap strip is a must-have for maintaining safety and preventing property damage in commercial and residential buildings.