3M™ Fire Barrier Tuck-In Wrap Strips are easily pushed into the opening around PVC pipes to provide up to a 3 hour fire rating through Engineered primarily for top-side firestop installations helps eliminate the need for retaining collars, concrete screws, ladders and most other material and equipment necessary for bottom-side installations. Designed to help prevent the passage of fire, smoke and noxious gas through fire-rated wall or floor assemblies. Helps eliminate the need for retaining collars, concrete screws, etc., saving time and labor UL tested and fire-rated for up to 3 hours Flexible foam strips wrap around pipe to fill tough areas and gaps Adhesive-backed label offers quick installation Expands 100x in volume
