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Galvanized Steel Quad Door SafeMax - Smoke Vent, Rooftop Close - Babcock Davis is engineered with metal covers to withstand 40psf live load, emphasizing affordability and reliability, and a UL793 listed performance smoke vent product. Its design considered the total vent area required by application and code, effective vent area, and the roof structural support system. Features quad leaf design and optional linear or winch actuator. This smoke vet is ideal for storage/warehouse and factory occupancies with a five-year warranty. 


Door: Quad Leaf

Material: Galvanized Steel: 14 gauge 

Aluminum: 11 gauge

Cover: Metal cover with liner internally stiffened to withstand 40psf live load

Curb: Single wall curb with EZ tab counter flash and mounting flange

Insulation: 1 inch polyiso R-6 in cover and around the curb

Gasket: Extruded EPDM adhesive-backed gasket seal, continuous around cover

Hold Open Arm: Zinc plated steel automatic hold open arm locks cover in an open position

Hinge: Heavy-duty pintle hinge with stainless steel hinge pins

Latch: Zinc plated steel rotary latch designed to hold covers closed against 90psf for quad doors. Opens manually by external and internal pull cables. Opens automatically with a fusible link at standard temperature 165°F.

Springs: Gas spring with damper opens cover against 10psf snow load in not less than 2 seconds

Certification: UL 793 listed

Warranty: 5 years