3M Fire Barrier Self-Locking Pillows FB369SL (20/case)

Our 3M™ Fire Barrier Self-Locking Pillows are self-contained firestops ideal for medium to large through penetrations.  Large, 3 in x 6 in x 9 in Intumescent pillows are designed to expand and lock together for tight seal against flame, smoke and toxic gasses Easy to install, remove and reconfigure to help save time and labor Interlocking strips let installers quickly lock pillows together by hand for fast, accurate firestops Available in multiple sizes and can be cut in the field for precise fill and compression No wire mesh or additional support required Firestop tested for up to 3 hours in accordance with ASTM E 814 (UL 1479) and CAN/ULC-S115 Pillows feature Interlocking strips – installers can easily lock multiple pillows together to achieve precise fill and compression with no additional support required. Intumescent fire-rated pillows are designed to expand during a fire, locking themselves around vital components. Simply a Better Way to FirestopPresenting a simpler solutio