Types of Fire Dampers

• Curtain-Type Fire Damper
  A metal curtain drops shut when a fusible link melts in high temperatures.

• Multi-Blade Fire Damper
  Multiple blades swing shut like a louver when triggered by heat.

• Combination Fire/Smoke Damper
  Designed to block both flames and smoke; activated via smoke detector and heat sensors.

These aren't just nice-to-haves—they're legally required in many commercial and residential buildings under safety codes like NFPA, UL, and BS476.

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