M4000 PERIMETER CURTAIN
The Smoke Guard M4000 pleated curtain can cover openings up to 15 feet drop and 200 feet in length. This pleated curtain stores in the headbox installed above the ceiling. The curtain runs off a building’s standby power system and can also integrate with local smoke detection systems. For custom installations, the curtain’s panels may be joined at angles ranging from 30 to 150 degrees.