• Pliable one-part intumescent firestop material is designed for wall openings and through penetrations
• Provides draft and cold smoke seal, helps reduce noise transfer
• Firestop tested for through penetration and membrane applications for up to 4 hours in accordance with ASTM E 814 (UL 1479)
• Excellent adhesion to a wide range of construction materials
• Non-corrosive to metal, and compatible with synthetic cable jackets
• Applied by hand, with no mixing or tools