LightMAX™ eco Smoke Vent

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The LightMAX eco sets the new standard for UL793 rated daylighting smoke vents. Its low-profile, lightweight design and extruded apron mount flange make it ideal for both retrofit and new construction.
Design considerations include: total vent area required by code and application, effective vent area, and the roof structural support system.


  • Natural Daylighting
  • Lightweight Door Design
  • Multiple Curb Options
  • UL Listed




Model BSVE
Door Double or Quad Leaf
Material 11 gauge Aluminum
Finish Mill
Cover Aluminum cover and polycarbonate dome to withstand a live load of 40psf
Curb Single wall curb with EZ tab counterflash and mounting flange
Gasket Extruded EPDM adhesive backed gasket seals
Hinge Patent-pending extruded hinge, continuous
Springs Gas spring with damper opens cover against 10psf snow load in not less than 2 seconds
Hold Open Arm Hold open arm integrated into the gas spring, locks cover in fully open position
Latch Zinc plated steel rotary latch designed to hold covers closed against 90 psf. Opens manually by external and internal pull cables. Opens automatically with a fusible link at standard temperature 165°F.
Operation Opens automatically with fusible link and manual pull handles
Certification UL 793 listed
Minimum Size
  • Double Door: 48 inches by 48 inches
  • Quad Door: 48 inches by 96 inches
Maximum Size
  • Double Door: 48 inches by 96 inches
  • Quad Door: 48 inches by 192 inches
Warranty 5 years


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