A plastic pipe firestop system. A one piece metal collar assembly encasing 3M's heat expanding Ultra GS material, used for new and retrofit installations. Up to 2 hours of fire protection.
An inexpensive plastic pipe firestop system for 3" non-metallic pipe. A one piece metal collar assembly encasing 3M's heat expanding Ultra GS material, used for new and retrofit installations to achieve up to 2 hour fire ratings.
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