3M™ fire barrier tuck-in wrap strips are intumescent wrap strips that are primarily used in top side firestop installations. These fire wrap strips were engineered to help eliminate the need for retaining collars, concrete screws, ladders etc, saving time and labor. They are flexible around pipe, to fill tough areas and gaps and come with an adhesive backed label for quick installation. Simple installation for an exceptional performance primarily 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 hr. 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 walls save time and labor with tuck-in wrap strips enjoy 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.