This patented intumescent wrap/strip firestops difficult through-penetrations such as plastic pipe, insulated pipe and cables. When exposed to heat, this flexible, rubber-like strip expands up to ten times its original volume, forming a very hard char.
Additional Information
3M™ Fire Barrier Wraps and Collars are 100% solids, one-part, organic/inorganic, fire-resistive elastomeric strip with foil on one side and intumescent for complete, rapid sealing during a fire. They are available in standard 2 in width or optimized 1 in width applications with superior, documented aging properties. They have proven stability and performance for expected life of building.
One-part, intumescent elastomeric strip with foil on one side. Documented aging properties. Can be cut to fit irregular shapes. Up to 4 hours of Fire Protection.
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