Patent ID: 8813449

Claim:
A fire and water resistant expansion joint system, comprising: a cover plate; a spline attached to the cover plate along a first edge of the spline; a first foam having a fire-retardant material infused therein located on a first face of the spline; a second foam having a fire-retardant material infused therein located on a second face of the spline; wherein the spline depends from the cover plate and is positioned in a gap between substantially coplanar substrates such that the cover plate overlies the gap; and wherein the first foam is compressed between the first face of the spline and one of the coplanar substrates and the second foam is compressed between the second face of the spline and the other of the coplanar substrates, and the fire and water resistant expansion joint system is capable of withstanding exposure to a temperature of about 540° C. or greater for about five minutes.