Fire Stop Article

March 28, 2006

A fire barrier assembly for fire stopping an opening in a partition has been patented. The assembly includes a plurality of fire stop articles arranged in the opening without a secondary support structure. Each fire stop article comprises an interior insulating material and an intumescent material arranged around at least a portion of the interior insulating material. The intumescent material comprises filler material, binder material and a hydrated alkali metal silicate intumescent component.