A one piece metal collar assembly encasing 3M's heat-expanding 3M™ Fire Barrier Wrap Strip Ultra GS material. Used to firestop up to 3" (76.2 mm) non-metallic pipe, cables and combos in new and retrofit installations. Achieves up to 3-hour fire protection in tested and listed systems.

Features:
Firestop tested up to 3 hours in accordance with ASTM E 814 (UL 1479) & CAN/ULC S115
Durable one-piece metal collar assembly encasing 3M™ Fire Barrier Wrap Strip Ultra GS intumescent material (no assembly required)
Installation takes about one minute (when completed with 3M™ Ultra Fast Anchors)