Lau’s light & medium duty aluminum backdraft dampers offer backdraft protection in light to medium duty applications that demand less than 12 CFM per square foot of leakage at ½” w.g. Non-metallic blade-to-blade seal provides quiet operation during the highest spot velocities. The damper’s good looking appearance is maintained by sturdy, corrosion resistant aluminum construction. Contemporary styling features blades that overlap the frame for optimum resistance to weather.
Lau’s heavy duty aluminum backdraft damper is ideally suited to heavy duty applications that demand less than ½” CFM per square foot of leakage at .5” w.g. When it is equipped with the SPC (static pressure control) option, field adjustment can be made to maintain static pressures in the ranges up to .25” w.g. for dampers up to 17.3 sq. ft. and up to .75” w.g. for dampers up to 6 sq. ft. Aluminum construction helps maintain the damper’s good-looking appearance and offers excellent resistance to corrosion. Contemporary styling features blades that overlap the frame for optimum weather resistance.
C460 Backdraft Damper Catalog
C401 & C402 Aluminum Light & Medium Duty Backdraft Damper Catalog
C412 Counter Balanced Aluminum Light Duty Backdraft Damper Catalog
C414 Counter Balanced Aluminum Med Duty Backdraft Damper Catalog
C416 Counter Balanced Aluminum Heavy Duty Backdraft Damper Catalog
Control Damper Installation Instructions
Backdraft Damper Comparison Chart
Backdraft Damper Ordering Made Easy