Noratek has developed roller curtains to be placed in evacuation ways called STRIPECOIL. Meanly recommended for underground installations, they are fire-resistant and can also show signaling.
It is made of a translucent plastic that avoids panic feeling in emergency situations. It is calified as EN12101-1 D 120 (smokes up to 600º C for 2 hours) or DH30 (smokes up to 1100º C for 30 minutes).
It allows firefighters and users to go in and out at the sime time during the evacuation. Chairwheels can also go out easily. A 3 meters long module allow 200 people to evacuate every one minute.
You can finde more information in Noratek website.