The IBD40A is a UL555 Classified 1-1/2 Hour Rated static curtain type fire damper. It features:
- Meets all UL and NFPA criteria for primary fire dampers in static (fans off during alarm) HVAC systems.
- An integral sleeve that ensures appropriate sleeve installation and allows delivery direct to job site.
- Galvanized steel construction.
Note: Multiple sections require field joining of individual sections per basic installation instructions.
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