Simple Installation for an Exceptional PerformancePrimarily used in top-side firestop installations, 3M Fire Barrier Tuck-In Wrap Strips are intumescent wrap strips that are UL tested and fire-rated for up to 3 hours. These flexible intumescent strips help prevent the passage of fire and smoke in new or existing non-metallic (e.g. plastic) pipe penetrations through walls or floor assemblies. These fire wrap strips were constructed to help eliminate the need for most of the materials and equipment usually required for labor-intensive, bottom-side firestop installations. These flexible foam strips slide easily into the openings around PVC, ccPVC and FRPP piping to fill tough areas and gaps. The tuck-in wrap strip has an adhesive-backed label to simplify installation and expands 100x in volume to help produce the best results possible. Recommended Applications PVC, ccPVC and FRPP plastic pipes penetrating through concrete floors Block and concrete walls Gypsum stud wallsSave Time and Labor with Tuck-In Wrap StripsEnjoy the savings in labor and time with 3M Fire Barrier Tuck-In Wrap Strips. This highly intumescent firestop wrap strip is ready to install and provides the optimal protection to prevent the passage of fire and smoke. As a part of the comprehensive line of top-quality firestop and fire prevention products, 3M Fire Barrier Tuck-In Wrap Strips help limit the devastating effects of fire. Enjoy the confidence and security that comes from a product with exceptional and proven fire protection performance.