Nystrom offers a variety of fire barrier blankets that are compatible with all of our expansion joint systems. Simple, cost-effective, and easy to install - all of our fire barrier products are tested and approved by Underwriters Laboratories. Our fire blanket barrier does not require use of fire caulk. In addition, our FB Series is capable of withstanding 50% movement and is approved for seismic applications.1" to 6" sizes are available in 25' rolls. 7" and larger are available in 10' rolls. Please contact a representative for details and assistance about our fire barrier products-tested and approved by Underwriters Laboratories.