Adjustable
Fire Damper Sleeve

Adjustable sleeves for all 150 series fire dampers allow stocking of one sleeve to accommodate a multitude of damper sizes.

Available in four base sizes:
Model 8 can accommodate dampers from 8" x 8" through 12" x 12".
Model 12 can accommodate dampers from 12" x 12" through 16" x 16".
Model 16 can accommodate dampers from 16" x 16" through 18" x 18".
Model 18 can accommodate dampers from 18" x 18" through 22" x 22".
Standard configurations use 22 gauge galvanized steel in 12" lengths.
Custom sizes and gauges are also available.