Fire Rated Doors

Fire resistant doors:
1. Smoke sticker
2. Smoke rings to reduce the amount of smoke transmitted
3. Fire arrestor at the time of release of the device
4. Ferrite lite sticker Visibility in three and a half hours
5. Accurate fire arrester lever
6. UL list of smoke gaskets
7. Smoke detectors PV type or TYN
8. Chain hoist crank or electric operation