STATIC & DYNAMIC CURTAIN FIRE DAMPERS Tested to U.L. Standard 555, all Leader fire dampers meet NFPA bulletin 90A and are in full compliance with bulletin 80. These quality dampers are constructed of G90U galvanized steel and feature interlocking blades. A complete range of static or dynamic rated curtain fire dampers are available in five basic configurations: 2 inch wide blade in both: flush frame, and Flanged frame, 6 inch wide blade (low profile) -     flush frame, The Standard 4 inch wide - flange  frame. The Multi-blade fire damper can be manually pre-set to serve as a balancing damper as well as a U.L. labeled fire damper.

Integral Sleeve Curtain Fire Dampers are available in both 18 ga. and 20 ga. in lengths of up to 22".  Standard length is 12".  Coupled with our Model WAA, wrap around angles, this gives contractors the "Complete Package" for fast, easy, money saving installations!