Smoke curtains are made from fibreglass and use a specific coating that is created to prevent the curtain from emitting gas or additional smoke.

An elevator smoke curtain is a thick fiberglass sheet that is installed above elevator doors. When a fire or smoke detector activates, the curtain descends automatically. Then, it acts as a physical barrier to prevent smoke from entering other areas of a building. They're usually installed in elevat

These curtains integrate with a building's existing fire protection system and descend to cover the elevator openings when smoke or fire alarms go off. They provide a complete seal to prevent smoke from traveling up the elevator shaft and entering other building floors, containing the smoke a structure fire produces to a single story and helping to save lives.