Patent ID: 8286397

Claim:
A fire barrier, comprising: a fire-barrier sized and shaped for installation into an accepting intersection-spaces formed by the intersection of at least two expansion-joint spaces that each occur between different sets of two adjacent spaced structural building units, said intersection creating a t-shaped, cross-shaped, L-shaped or v-shaped intersection-space, said fire-barrier comprising: a layer of woven refractory fabric heat-resistant to 2000Â° F. protective cloth cut, folded, and sewn to shape, overlain by at least one refractory ceramic fiber insulation blanket layer cut to shape, and at least one layer of intumescent material, at least one layer of a mechanical support layer cut to shape and inserted between said protective cloth and said ceramic fiber insulation blanket, and mounting means for fixedly mounting said barrier to the spaced structural building units, said layers together forming a fire-barrier ready for one-step drop-in installation within said an accepting t-shaped, cross-shaped, L-shaped or v-shaped intersection space.