Single Door LightMAX™ Smoke Vent

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Babcock-Davis’ Single Door LightMAX Smoke Vent provides UL793 listed performance and is engineered with metal covers providing an emphasis on reliability and affordability. The single door configuration is ideal for factory and storage/warehouse occupancies along with hoist way and elevator shafts.

Design considerations include: total vent area required by code and application, effective vent area, and the roof structural support system.


  • Single Door
  • Multi-wall Light Transmission
  • Optional Dome
  • Optional Winch or Linear Actuator
  • UL Listed




Model BSVL
Door Single Leaf
Material Aluminum: 11 gauge
Steel: 14 gauge galvanneal
Finish Aluminum: Mill
Steel: Powder Coat, High Reflectance White
Cover Extruded aluminum with 5/8 inch structural multi-wall white polycarbonate. Cover withstands a live load of 40psf
Curb Single wall curb with EZ tab counterflash and mounting flange
Insulation 1 inch polyiso R-6 in cover frame edge and around curb
Gasket Extruded EPDM adhesive backed gasket seal, continuous around cover
Hinge Heavy-duty pintle hinge with stainless steel hinge pins
Springs Gas spring with damper opens cover against 10psf snow load in not less than 2 seconds
Hold Open Arm Zinc plated steel automatic hold open arm locks cover in open position
Latch Zinc plated steel rotary latch designed to hold covers closed against 30psf for single doors. Opens manually by external and internal pull cables. Opens automatically with a fusible link at standard temperature 165°F.
Certification UL 793 listed
Minimum Size 18 inches by 18 inches
Maximum Size 48 inches by 96 inches
Warranty 5 years


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