U.S. Smoke & Fire – SD240GS 2 Hr Horizontal Fire Protective Smoke Curtain is utilized to enclose floor opening for continuity of rating. Designed with a winding track system. Horizontal curtains can achieve sizes of 20 feet by 20 feet. These systems require battery backup and require a generator. Approval By Engineering Judgment.
- 2 hour barrier.
- Use battery backup power supply.
- Sizes up to 20 feet by 20 feet.
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