| 摘要 |
<p>The fire seal assembly is particularly for use with uninsulated or insulated stud partitioning or solid floors. The seal assembly comprises an expansion strip comprising an intumescent layer 4 bonded to a fire resistant flexible layer 1. In use the intumescent layer is located between the fire resistant layer and a surface upon which the assembly is located. The fire resistant layer forces expansion inwardly in order to crush and seal the penetration. The assembly may have integral joining tabs or separate joining pieces. The assembly may be located within an expandable sleeve or sock of fire resistant flexible material. The assembly may comprise a row of slits 11.</p> |
