STI Ready Split Firestop Sleeve Kits - STI-FSR100/200/400

This product comes with a split pathway design and wall plates for easy installation around current cable bundles. Its lightweight makes it ideal for high places or constricted spaces in construction zones. SpecSeal Ready Split Sleeve kits easily install around existing cables. Each Ready Split Sleeve kit includes two preformed steel sleeve halves with rolled edges, steel escutcheon plates with intumescent gaskets, and a dosage of our SpecSeal SSP Firestop Putty. Ready Split Sleeve's two-piece body and plates easily capture previously installed cables while tightly fastening to the penetrated barrier. Property Value Available Sizes 1" (25 mm), 2" (51 mm), and 4" (102 mm) Sleeve and Plate Construction 0.059" (1.5 mm) thick steel (zinc plated) Intumescent Gasket Expansion Temperature 350°F (177°C) Intumescent Gasket Volume Expansion 15x (free expansion) Intumescent Gasket In Service Temperature -10°F (-23°C) to 120°F (49°C) Intumescent Gasket Storage Temperature Less