IBD2-D UL Classified 1 1/2 hr Dynamic, Integral Sleeve/Access Door
The IBD2-D is a UL555 Classified, 1 1/2 hour rated, static fire damper and the (D)IBD2-D is a UL Classified, 1 1/2 hour rated, dynamic fire damper. They both feature:
An integral sleeve to ensure appropriate sleeve installation and allow delivery direct to the job site.
An access door factory installed in the damper sleeve.
A FAST Retaining Angle supplied with the damper to complete the installation