Heat & Smoke Vents

Milcor's heat and smoke vents enhance life safety and fire response efficiency with reliable, automatic operation and robust performance features.

  • Automatic Fire Response: Vents spring open to ~90° when a UL-listed 165°F or 360°F fusible link activates; optional electric links enable remote triggering.
  • Life-Saving Ventilation: Releases smoke to reduce inhalation risks and allows rooftop access for firefighting.
  • All-Weather Performance: Double-leaf covers open against up to 10 psf snow/wind loads and resist uplift pressures of 30 psf.
  • Controlled Operation: Hydraulic dampers or gas springs ensure smooth opening with no over-travel.
  • Fire Rated: UL 790 Class “A” compliant for flame resistance.
  • Auto Reset: Covers latch and reset automatically when closed from the roof.
  • Energy Efficient: Insulated covers offer U-values as low as 0.093, minimizing heat loss and condensation.
  • Weathertight: Gasketed dual covers close over a fixed channel for reliable water drainage and protection.
  • Material Options: Available in all galvanized steel, all aluminum, or aluminum cover with galvanized curb.