Firestop device that protects through-penetrations for up to 4 hours while providing flexibility to add, re-add or remove penetrants at any time.

Features

• Reduces labor time with quick installation and flexibility to modify penetrants as often as needed
• Intumescent expands at the exposure of heat, forming a refractory char that tightly seals preventing the spread of flame, smoke and toxic fumes
• Will not mechanically pinch cables
• Available in 2” (50mm) Round, 4” (102mm) Round, and 4” (102mm) Square (as Single, Double, Tri-Plex, Six-Plex)
• Up to 4-hour fire rating
• Excellent “L” rating
• Zero maintenance
• UL Classified system up to 4 hrs; tested in accordance with UL 1479