Feature(may vary by option.)
●BOSS 819 Pipe Collars consist of a zinc coated, factory formed, galvanized 22 gauge steel shell which contains a heat reactive intumescent material●When exposed to temperatures of approximately 300°F the graphite based intumescent material begins to expand rapidly (intumesce) to form a solid insulating char plug, and continues to expand up to approximately 1100°F, which effectively closes and seals openings where plastic pipes penetrate the fire-rated walls and floors●BOSS 819 Pipe Collars are available in sizes to suit 2”, 3” and 4” pipes●Pipe Collars are used in FireStop systems when penetrating a fire rated wall or floor/ceiling. (Intumescent)●Made in USADescription
Pipe Collar